Question

Odour of gas
3. Give a chemical test to distinguish between the following
(a) H. and CO2
(c) CO, and SO
(b) H, and 02
(d) HCl and H.S​

Answer 1

Answer:

Systematic analysis of an inorganic salt involves the following steps: ... CO2 gas is evolved with brisk effervescence which turns lime

Answer 2

Explanation:

co2 when passed through lime water makes it milky and h2 gas gives a pop sound when a fire is lit by a matchstick where the gas is evolved