Chemistry
Grade-10
Easy
Question
Which of the following is correctly matched?
- (a) – (ii), (b) – (iii), (c) – (i), (d) – (ii)
- (a) – (iv), (b) – (iii), (c) – (ii), (d) – (i)
- (a) – (iv), (b) – (iii), (c) – (i), (d) – (ii)
- (a) – (ii), (b) – (iii), (c) – (i), (d) – (ii)
Hint:
Chlorate is ClO3-
The correct answer is: (a) – (iv), (b) – (iii), (c) – (i), (d) – (ii)
Calcium chlorate - Ca(ClO3)2
Caustic potash - NaOH
Sodium carbonate - Na2CO3
Sodium sulphate - Na2SO4
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