Video Explanation Question 20 | Chem Made Easy

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THE 500 - O Level Pure Chemistry MCQ Mastery

Prelim Paper Set K (Complimentary Access)

PDF Questions and Answers
Video Explanation Question 1 - 10 (8:05)
Video Explanation Question 11 - 20 (12:59)
Video Explanation Question 21 to 30 (8:08)
Video Explanation Question 31 to 36 (5:19)

Prelim Paper Set A

PDF Questions and Answers
Video Explanation Question 1 (0:48)
Video Explanation Question 2 (1:05)
Video Explanation Question 3 (1:37)
Video Explanation Question 4 (1:39)
Video Explanation Question 5 (1:03)
Video Explanation Question 6 (1:59)
Video Explanation Question 7 (0:59)
Video Explanation Question 8 (1:25)
Video Explanation Question 9 (1:25)
Video Explanation Question 10 (2:08)
Video Explanation Question 11 (1:04)
Video Explanation Question 12 (1:14)
Video Explanation Question 13 (1:39)
Video Explanation Question 14 (2:31)
Video Explanation Question 15 (0:59)
Video Explanation Question 16 (1:19)
Video Explanation Question 17 (2:17)
Video Explanation Question 18 (1:43)
Video Explanation Question 19 (0:56)
Video Explanation Question 20 (0:36)
Video Explanation Question 21 (0:31)
Video Explanation Question 22 (0:34)
Video Explanation Question 23 (0:46)
Video Explanation Question 24 (1:13)
Video Explanation Question 25 (2:38)
Video Explanation Question 26 (0:44)
Video Explanation Question 27 (1:00)
Video Explanation Question 28 (1:07)
Video Explanation Question 29 (0:40)
Video Explanation Question 30 (1:02)
Video Explanation Question 31 (1:21)
Video Explanation Question 32 (0:50)
Video Explanation Question 33 (1:07)
Video Explanation Question 34 (0:33)
Video Explanation Question 35 (1:42)
Video Explanation Question 36 (0:27)
Video Explanation Question 37 (1:16)
Video Explanation Question 38 (1:29)
Video Explanation Question 39 (0:30)
Video Explanation Question 40 (1:56)

Prelim Paper Set B

PDF Questions and Answers
Video Explanation Question 1 (1:56)
Video Explanation Question 2 (1:22)
Video Explanation Question 3 (0:33)
Video Explanation Question 4 (1:04)
Video Explanation Question 5 (0:53)
Video Explanation Question 6 (0:24)
Video Explanation Question 7 (1:49)
Video Explanation Question 8 (0:37)
Video Explanation Question 9 (1:10)
Video Explanation Question 10 (0:41)
Video Explanation Question 11 (0:53)
Video Explanation Question 12 (1:06)
Video Explanation Question 13 (0:30)
Video Explanation Question 14 (0:55)
Video Explanation Question 15 (1:10)
Video Explanation Question 16 (1:53)
Video Explanation Question 17 (1:05)
Video Explanation Question 18 (1:20)
Video Explanation Question 19 (0:55)
Video Explanation Question 20 (1:33)
Video Explanation Question 21 (2:11)
Video Explanation Question 22 (2:35)
Video Explanation Question 23 (0:47)
Video Explanation Question 24 (0:38)
Video Explanation Question 25 (1:19)
Video Explanation Question 26 (0:58)
Video Explanation Question 27 (0:51)
Video Explanation Question 28 (1:15)
Video Explanation Question 29 (1:04)
Video Explanation Question 30 (1:37)
Video Explanation Question 31 (0:38)
Video Explanation Question 32 (1:34)
Video Explanation Question 33 (0:41)
Video Explanation Question 34 (1:06)
Video Explanation Question 35 (0:46)
Video Explanation Question 36 (1:47)

Prelim Paper Set C

PDF Questions and Answers
Video Explanation Question 1 (0:35)
Video Explanation Question 2 (0:42)
Video Explanation Question 3 (0:52)
Video Explanation Question 4 (0:31)
Video Explanation Question 5 (0:43)
Video Explanation Question 6 (1:04)
Video Explanation Question 7 (1:01)
Video Explanation Question 8 (1:06)
Video Explanation Question 9 (1:19)
Video Explanation Question 10 (1:03)
Video Explanation Question 11 (2:01)
Video Explanation Question 12 (1:52)
Video Explanation Question 13 (2:15)
Video Explanation Question 14 (0:49)
Video Explanation Question 15 (0:21)
Video Explanation Question 16 (0:57)
Video Explanation Question 17 (1:14)
Video Explanation Question 18 (1:38)
Video Explanation Question 19 (0:40)
Video Explanation Question 20 (0:47)
Video Explanation Question 21 (0:40)
Video Explanation Question 22 (0:41)
Video Explanation Question 23 (1:04)
Video Explanation Question 24 (0:39)
Video Explanation Question 25 (1:12)
Video Explanation Question 26 (1:21)
Video Explanation Question 27 (1:00)
Video Explanation Question 28 (0:45)
Video Explanation Question 29 (0:42)
Video Explanation Question 30 (2:07)
Video Explanation Question 31 (1:26)
Video Explanation Question 32 (1:05)
Video Explanation Question 33 (0:50)
Video Explanation Question 34 (0:30)

Prelim Paper Set D

PDF Questions and Answers
Video Explanation Question 1 (1:31)
Video Explanation Question 2 (0:35)
Video Explanation Question 3 (1:22)
Video Explanation Question 4 (1:46)
Video Explanation Question 5 (1:14)
Video Explanation Question 6 (1:02)
Video Explanation Question 7 (1:28)
Video Explanation Question 8 (2:05)
Video Explanation Question 9 (0:57)
Video Explanation Question 10 (0:47)
Video Explanation Question 11 (1:36)
Video Explanation Question 12 (1:54)
Video Explanation Question 13 (1:16)
Video Explanation Question 14 (1:28)
Video Explanation Question 15 (0:20)
Video Explanation Question 16 (0:42)
Video Explanation Question 17 (0:52)
Video Explanation Question 18 (0:46)
Video Explanation Question 19 (1:06)
Video Explanation Question 20 (1:24)
Video Explanation Question 21 (1:09)
Video Explanation Question 22 (0:44)
Video Explanation Question 23 (0:50)
Video Explanation Question 24 (2:06)
Video Explanation Question 25 (0:41)
Video Explanation Question 26 (1:04)
Video Explanation Question 27 (0:33)
Video Explanation Question 28 (0:25)
Video Explanation Question 29 (0:43)
Video Explanation Question 30 (0:35)
Video Explanation Question 31 (0:45)
Video Explanation Question 32 (0:33)
Video Explanation Question 33 (1:20)
Video Explanation Question 34 (0:36)
Video Explanation Question 35 (1:02)
Video Explanation Question 36 (1:47)

Prelim Paper Set E

PDF Questions and Answers
Video Explanation Question 1 (0:48)
Video Explanation Question 3 (0:56)
Video Explanation Question 4 (1:11)
Video Explanation Question 5 (0:40)
Video Explanation Question 6 (0:48)
Video Explanation Question 7 (0:44)
Video Explanation Question 8 (0:35)
Video Explanation Question 9 (1:46)
Video Explanation Question 10 (1:40)
Video Explanation Question 11 (0:34)
Video Explanation Question 12 (1:17)
Video Explanation Question 13 (2:32)
Video Explanation Question 14 (1:21)
Video Explanation Question 15 (1:13)
Video Explanation Question 16 (1:21)
Video Explanation Question 17 (1:14)
Video Explanation Question 18 (0:56)
Video Explanation Question 19 (0:37)
Video Explanation Question 20 (0:43)
Video Explanation Question 21 (1:05)
Video Explanation Question 22 (0:58)
Video Explanation Question 23 (0:28)
Video Explanation Question 24 (0:50)
Video Explanation Question 25 (1:05)
Video Explanation Question 26 (0:51)
Video Explanation Question 27 (0:42)
Video Explanation Question 28 (2:25)
Video Explanation Question 29 (0:34)
Video Explanation Question 30 (1:26)
Video Explanation Question 31 (1:38)
Video Explanation Question 32 (0:51)

Prelim Paper Set F

PDF Questions and Answers
Video Explanation Question 1 (0:14)
Video Explanation Question 2 (1:05)
Video Explanation Question 3 (1:01)
Video Explanation Question 4 (0:29)
Video Explanation Question 5 (0:39)
Video Explanation Question 6 (0:55)
Video Explanation Question 7 (1:18)
Video Explanation Question 8 (0:41)
Video Explanation Question 9 (1:16)
Video Explanation Question 10 (1:14)
Video Explanation Question 11 (0:52)
Video Explanation Question 12 (0:37)
Video Explanation Question 13 (1:59)
Video Explanation Question 14 (1:27)
Video Explanation Question 15 (1:58)
Video Explanation Question 16 (1:41)
Video Explanation Question 17 (1:36)
Video Explanation Question 18 (1:15)
Video Explanation Question 19 (1:22)
Video Explanation Question 20 (0:36)
Video Explanation Question 21 (0:32)
Video Explanation Question 22 (0:37)
Video Explanation Question 23 (0:50)
Video Explanation Question 24 (1:08)
Video Explanation Question 25 (0:15)
Video Explanation Question 26 (1:05)
Video Explanation Question 27 (0:48)
Video Explanation Question 28 (0:38)
Video Explanation Question 29 (1:04)
Video Explanation Question 30 (1:30)
Video Explanation Question 31 (0:46)
Video Explanation Question 32 (0:34)
Video Explanation Question 33 (0:52)
Video Explanation Question 34 (0:47)
Video Explanation Question 35 (0:28)

Prelim Paper Set G

PDF Questions and Answers
Video Explanation Question 1 (1:00)
Video Explanation Question 2 (0:59)
Video Explanation Question 3 (1:55)
Video Explanation Question 4 (2:01)
Video Explanation Question 5 (1:47)
Video Explanation Question 6 (1:06)
Video Explanation Question 7 (1:19)
Video Explanation Question 8 (2:01)
Video Explanation Question 9 (1:34)
Video Explanation Question 10 (1:49)
Video Explanation Question 11 (1:31)
Video Explanation Question 12 (2:10)
Video Explanation Question 13 (1:30)
Video Explanation Question 14 (3:46)
Video Explanation Question 15 (0:57)
Video Explanation Question 16 (1:09)
Video Explanation Question 17 (1:18)
Video Explanation Question 18 (0:55)
Video Explanation Question 19 (0:41)
Video Explanation Question 20 (1:54)
Video Explanation Question 21 (0:52)
Video Explanation Question 22 (1:57)
Video Explanation Question 23 (1:22)
Video Explanation Question 24 (1:01)
Video Explanation Question 25 (1:32)
Video Explanation Question 26 (1:17)
Video Explanation Question 27 (0:39)
Video Explanation Question 28 (0:39)
Video Explanation Question 29 (2:30)
Video Explanation Question 30 (1:17)
Video Explanation Question 31 (0:55)
Video Explanation Question 32 (0:45)
Video Explanation Question 33 (1:08)
Video Explanation Question 34 (0:57)

Prelim Paper Set H

PDF Questions and Answers
Video Explanation Question 1 (0:19)
Video Explanation Question 2 (1:09)
Video Explanation Question 3 (1:38)
Video Explanation Question 4 (0:52)
Video Explanation Question 5 (1:16)
Video Explanation Question 6 (0:55)
Video Explanation Question 7 (0:39)
Video Explanation Question 8 (1:02)
Video Explanation Question 9 (1:29)
Video Explanation Question 10 (0:48)
Video Explanation Question 11 (1:30)
Video Explanation Question 12 (0:38)
Video Explanation Question 13 (1:08)
Video Explanation Question 14 (1:45)
Video Explanation Question 15 (0:22)
Video Explanation Question 16 (1:19)
Video Explanation Question 17 (0:52)
Video Explanation Question 18 (1:11)
Video Explanation Question 19 (1:08)
Video Explanation Question 20 (0:56)
Video Explanation Question 21 (1:46)
Video Explanation Question 22 (0:54)
Video Explanation Question 23 (0:54)
Video Explanation Question 24 (1:12)
Video Explanation Question 25 (0:46)
Video Explanation Question 26 (1:19)
Video Explanation Question 27 (0:17)
Video Explanation Question 28 (1:00)
Video Explanation Question 29 (0:30)
Video Explanation Question 30 (0:27)
Video Explanation Question 31 (1:38)
Video Explanation Question 32 (0:27)
Video Explanation Question 33 (0:19)
Video Explanation Question 34 (0:22)
Video Explanation Question 35 (0:28)

Prelim Paper Set I

PDF Questions and Answers
Video Explanation Question 1 (0:56)
Video Explanation Question 2 (2:27)
Video Explanation Question 3 (0:38)
Video Explanation Question 4 (0:41)
Video Explanation Question 5 (2:43)
Video Explanation Question 6 (0:35)
Video Explanation Question 7 (0:26)
Video Explanation Question 8 (0:37)
Video Explanation Question 9 (1:06)
Video Explanation Question 10 (2:17)
Video Explanation Question 11 (2:18)
Video Explanation Question 12 (1:14)
Video Explanation Question 13 (1:13)
Video Explanation Question 14 (3:04)
Video Explanation Question 15 (1:05)
Video Explanation Question 16 (1:32)
Video Explanation Question 17 (1:57)
Video Explanation Question 18 (0:45)
Video Explanation Question 19 (1:22)
Video Explanation Question 20 (2:50)
Video Explanation Question 21 (1:19)
Video Explanation Question 22 (0:22)
Video Explanation Question 23 (0:30)
Video Explanation Question 24 (1:19)
Video Explanation Question 25 (1:48)
Video Explanation Question 26 (1:03)
Video Explanation Question 27 (1:25)
Video Explanation Question 28 (0:57)
Video Explanation Question 29 (0:53)
Video Explanation Question 30 (1:14)
Video Explanation Question 31 (0:31)

Prelim Paper Set J

PDF Questions and Answers
Video Explanation Question 1 (2:23)
Video Explanation Question 2 (1:59)
Video Explanation Question 3 (2:12)
Video Explanation Question 4 (0:55)
Video Explanation Question 5 (0:31)
Video Explanation Question 6 (2:39)
Video Explanation Question 7 (1:49)
Video Explanation Question 8 (1:09)
Video Explanation Question 9 (0:51)
Video Explanation Question 10 (1:19)
Video Explanation Question 11 (1:28)
Video Explanation Question 12 (1:29)
Video Explanation Question 13 (0:39)
Video Explanation Question 14 (1:07)
Video Explanation Question 15 (1:16)
Video Explanation Question 16 (3:03)
Video Explanation Question 17 (1:19)
Video Explanation Question 18 (0:47)
Video Explanation Question 19 (1:26)
Video Explanation Question 20 (1:03)
Video Explanation Question 21 (1:24)
Video Explanation Question 22 (1:09)
Video Explanation Question 23 (1:19)
Video Explanation Question 24 (0:21)
Video Explanation Question 25 (1:29)
Video Explanation Question 26 (0:47)
Video Explanation Question 27 (1:08)
Video Explanation Question 28 (0:56)
Video Explanation Question 29 (2:13)
Video Explanation Question 30 (0:51)
Video Explanation Question 31 (2:15)
Video Explanation Question 32 (0:59)
Video Explanation Question 33 (1:56)
Video Explanation Question 34 (1:07)
Video Explanation Question 35 (0:50)
Video Explanation Question 36 (0:43)

Prelim Paper Set L

PDF Questions and Answers
Video Explanation Question 1 (0:30)
Video Explanation Question 2 (1:17)
Video Explanation Question 3 (1:01)
Video Explanation Question 4 (1:31)
Video Explanation Question 5 (1:09)
Video Explanation Question 6 (0:41)
Video Explanation Question 7 (0:46)
Video Explanation Question 8 (0:33)
Video Explanation Question 9 (1:28)
Video Explanation Question 10 (0:43)
Video Explanation Question 11 (2:07)
Video Explanation Question 12 (1:22)
Video Explanation Question 13 (1:53)
Video Explanation Question 14 (0:42)
Video Explanation Question 15 (0:44)
Video Explanation Question 16 (1:24)
Video Explanation Question 17 (1:07)
Video Explanation Question 18 (1:33)
Video Explanation Question 19 (0:31)
Video Explanation Question 20 (0:42)
Video Explanation Question 21 (0:59)
Video Explanation Question 22 (1:48)
Video Explanation Question 23 (0:54)
Video Explanation Question 24 (0:36)
Video Explanation Question 25 (0:26)
Video Explanation Question 26 (1:52)
Video Explanation Question 27 (0:42)
Video Explanation Question 28 (1:00)
Video Explanation Question 29 (0:16)
Video Explanation Question 30 (0:33)
Video Explanation Question 31 (1:13)
Video Explanation Question 32 (0:20)
Video Explanation Question 33 (0:32)
Video Explanation Question 34 (0:31)
Video Explanation Question 35 (0:31)

Prelim Paper Set M

PDF Questions and Answers
Video Explanation Question 1 (0:24)
Video Explanation Question 2 (1:44)
Video Explanation Question 3 (0:59)
Video Explanation Question 4 (1:28)
Video Explanation Question 5 (0:36)
Video Explanation Question 6 (1:36)
Video Explanation Question 7 (0:36)
Video Explanation Question 8 (0:47)
Video Explanation Question 9 (0:35)
Video Explanation Question 10 (0:29)
Video Explanation Question 11 (0:59)
Video Explanation Question 12 (1:37)
Video Explanation Question 13 (1:08)
Video Explanation Question 14 (0:57)
Video Explanation Question 15 (0:51)
Video Explanation Question 16 (1:26)
Video Explanation Question 17 (1:13)
Video Explanation Question 18 (1:08)
Video Explanation Question 19 (1:14)
Video Explanation Question 20 (1:13)
Video Explanation Question 21 (0:43)
Video Explanation Question 22 (2:08)
Video Explanation Question 23 (1:09)
Video Explanation Question 24 (0:48)
Video Explanation Question 25 (1:45)
Video Explanation Question 26 (0:55)
Video Explanation Question 27 (0:59)
Video Explanation Question 28 (1:04)
Video Explanation Question 29 (1:10)
Video Explanation Question 30 (1:08)
Video Explanation Question 31 (0:47)
Video Explanation Question 32 (1:40)
Video Explanation Question 33 (0:52)

Prelim Paper Set N

PDF Questions and Answers
Video Explanation Question 1 (0:33)
Video Explanation Question 2 (0:36)
Video Explanation Question 3 (1:01)
Video Explanation Question 4 (0:49)
Video Explanation Question 5 (1:01)
Video Explanation Question 6 (0:57)
Video Explanation Question 7 (0:34)
Video Explanation Question 8 (0:27)
Video Explanation Question 9 (0:49)
Video Explanation Question 10 (0:46)
Video Explanation Question 11 (0:36)
Video Explanation Question 12 (0:42)
Video Explanation Question 13 (2:32)
Video Explanation Question 14 (0:21)
Video Explanation Question 15 (0:29)
Video Explanation Question 16 (0:59)
Video Explanation Question 17 (0:49)
Video Explanation Question 18 (1:09)
Video Explanation Question 19 (1:15)
Video Explanation Question 20 (0:54)
Video Explanation Question 21 (0:39)
Video Explanation Question 22 (0:50)
Video Explanation Question 23 (0:32)
Video Explanation Question 24 (0:26)
Video Explanation Question 25 (0:59)
Video Explanation Question 26 (0:32)
Video Explanation Question 27 (0:48)
Video Explanation Question 28 (0:19)
Video Explanation Question 29 (0:34)
Video Explanation Question 30 (0:38)
Video Explanation Question 31 (0:38)
Video Explanation Question 32 (0:31)
Video Explanation Question 33 (0:44)

Prelim Paper Set O

PDF Questions and Answers
Video Explanation Question 1 (0:36)
Video Explanation Question 2 (0:33)
Video Explanation Question 3 (0:24)
Video Explanation Question 4 (0:14)
Video Explanation Question 5 (0:45)
Video Explanation Question 6 (0:39)
Video Explanation Question 7 (0:33)
Video Explanation Question 8 (0:45)
Video Explanation Question 9 (0:22)
Video Explanation Question 10 (0:31)
Video Explanation Question 11 (0:48)
Video Explanation Question 12 (0:50)
Video Explanation Question 13 (0:53)
Video Explanation Question 14 (1:02)
Video Explanation Question 15 (1:19)
Video Explanation Question 16 (0:48)
Video Explanation Question 18 (0:36)
Video Explanation Question 19 (0:51)
Video Explanation Question 20 (0:41)
Video Explanation Question 21 (1:17)
Video Explanation Question 22 (1:04)
Video Explanation Question 23 (0:50)
Video Explanation Question 24 (2:14)
Video Explanation Question 25 (0:51)
Video Explanation Question 26 (0:19)
Video Explanation Question 27 (1:03)
Video Explanation Question 28 (0:47)
Video Explanation Question 29 (0:32)
Video Explanation Question 30 (1:30)
Video Explanation Question 31 (0:52)
Video Explanation Question 32 (0:37)
Video Explanation Question 33 (0:45)
Video Explanation Question 34 (1:20)
Video Explanation Question 35 (0:29)
Video Explanation Question 36 (0:20)
Video Explanation Question 37 (1:00)

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Video Explanation Question 20

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