Question

3. Give a chemical test to distinguish between the following gases. (a) H, and CO2 (b) H, and 02 (C) CO, and SO2 (d) HCl and H S​

Answer 1

Answer:

Explanation:

When a glass rod dipped in the ammonia solution is brought near the mouth of the test tube containing HCl gas, dense white fumes are observed which are not in the case of hydrogen sulphide gas.

  NH  

3

​

+HCl⟶NH  

4

​

Cl

                                (dense white fumes)