Question

Sodium chloride reacts with concentrated sulphuric acid to evolve a gas. Which of the following
statement(a) is true regarding this gas? Give reason for your choice.
1
Ha) it turns dry blue litmus paper red.
96) It turns moist blue litmus paper red.
te) It turns dry red litmus paper blue.
(d) It tums moist red litmus paper blue.​

Answer 1

Answer:

It turns moist blue litmus paper red .

Answer 2

Explanation:

2NaCl + H2SO4 --> 2HCl + Na2SO4

The gas evolved is HCl which is acidic. It turns moist blue litmus paper red.