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Subject :NSO    Class : Class 7

Match the columns and select the correct option from the given codes.

  Column-I(Common name)   Column-II(Chemical name)   Column-III(Use)
1. Calamine (i) Calcium oxide (A) Ant sting
remedy
2. Quick lime (ii) Sodium
bicarbonate
(B) White
washing
3. Slaked
lime
(iii) Zinc
carbonate
(C) Indigestion
remedy
4. Baking
soda
(iv) Calcium
hydroxide
(D) Wasp sting
remedy
5. Vinegar (v) Acetic acid (E) To reduce
soil
cidity


A1-(ii)-(C); 2-(iv)-(D); 3-(i)-(A); 4-(iii)-(B); 5-(v)-(E)
B1-(iii)-(A); 2-(i)-(E); 3-(iv)-(B); 4-(ii)-(C); 5-(v)-(D)
C1-(iii)-(C); 2-(iii)-(A); 3-(iv)-(B); 4-(v)-(E); 5-(i)-(D)
D1-(iv)-(E); 2-(iii)-(D); 3-(v)-(C); 4-(i)-(A); 5-(ii)-(B)


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