Question

heat
3. For the reaction
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:

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I think it's nitrogen ..........