31 34 35 36 37 A 37 B 37 C 39 A 39 B 40 A 40 B 41 A 41 B 41 C 42 A 42 B 42 C 42 D 44 A 44 B 44 C 44 D 44 E 44 F 45 A 45 B 45 C 45 D 46 A 46 B 47 48 A 49 B 48 C 48 D 32 33 38 A 38 B 38 C 43

Lakhmir Singh & Manjit Kaur - Chemistry

Very Short Answer Type Questions-Pg-66

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Short Answer Type Questions-Pg-67

16 A 16 B 16 C 17 18 A 18 B 19 20 21 A 21 B 22 23 24 A 24 B 24 C 25 26 27 28 29 A 29 B 29 C 30 A 30 B 30 C

Long Answer Type Questions-Pg-68

31 A 31 B 32 33 A 33 B

Multiple Choice Questions (MCQs)-Pg-68

34 35 36 37 38 39 40 41 42 43

Questions Based on High Order Thinking Skills (HOTS)-Pg-68

44 45 46 47 48 49 50 51

Very Short Answer Type Questions-Pg-79

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Short Answer Type Questions-Pg-79

19 20 A 20 B 20 C 21 22 A 22 B 23 A 23 B 24 A 24 B 25 A 25 B 26 A 26 B 27 A 27 B 28 29 30 31 32 33 A 33 B 33 C 34 A 34 B 34 C 34 D 35 36 A 36 B

Long Answer Type Questions-Pg-80

37 A 37 B 37 C 37 D 37 E 38 A 38 B 39 A 39 B 39 C 39 D 39 E

Multiple Choice Questions (MCQs)-Pg-81

40 41 42 43 44 45 46 D 48 49 50 51 52 53

Questions Based on High Order Thinking Skills (HOTS)-Pg-82

54 55 56 57 58 59 60 61 A 61 B 61 C 62 63

Very Short Answer Type Questions-Pg-96

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Short Answer Type Questions-Pg-97

31 34 35 36 37 A 37 B 37 C 39 A 39 B 40 A 40 B 41 A 41 B 41 C 42 A 42 B 42 C 42 D 44 A 44 B 44 C 44 D 44 E 44 F 45 A 45 B 45 C 45 D 46 A 46 B 47 48 A 49 B 48 C 48 D 32 33 38 A 38 B 38 C 43

Long Answer Type Questions-Pg-98

49 A 49 B 49 C 53 A 53 B 53 C 53 D 53 E 50 A 50 B 50 C 50 D 51 A 51 B 51 C 52 A 52 B 52 C 52 D

Multiple Choice Questions (MCQs)-Pg-99

54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82

Q. 37 B4.7( 9 Votes )

How would you sho

Class 10th Lakhmir Singh & Manjit Kaur - Chemistry 2. Acids, Bases and Salts

Answer :

Blue colour of copper sulphate is due to presence of 5 molecules of water. When copper sulphate is heated, it loses water molecules and turns into grey-white colour, which is known as anhydrous copper sulphate. CuSO₄.5H₂O + heat ⇨ CuSO₄

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