Question

Essential ICSE Chemistry for Class 7
48
3. For the reaction
heat
A + quicklime
calcium chloride + water + ammonia |
A is:
(a) copper(II) carbonate
(b) copper(II) sulphate
(c) iron(II) sulphate
(d) ammonium chloride
4. Which of the following gases is given out when iron reacts with dilute sulphuric acid?
(a) Hydrogen
(b) Nitrogen
(c) Oxygen
(d) Carbon dioxide​

Answer 1

Answer:

nitrogen gases is given out

Answer 2

Answer:

hope it helps

Explanation:

hydrogen gas will liberate when iron react with dilute sulphuric acid .

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