ICSE Class 10 Chemistry Question 3 of 20

Solved 2018 Question Paper ICSE Class 10 Chemistry — Question 11

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11
Question

Question 1(g)

Name the gas that is produced in each of the following cases:

(i) Sulphur is oxidized by concentrated nitric acid.

(ii) Action of dilute hydrochloric acid on sodium sulphide.

(iii) Action of cold and dilute nitric acid on copper.

(iv) At the anode during the electrolysis of acidified water.

(v) Reaction of ethanol and sodium.

Answer

(i) Nitrogen dioxide gas

(ii) Hydrogen sulphide gas

(iii) Nitric oxide gas

(iv) Oxygen gas

(v) Hydrogen gas