When Sodium bicarbonate reacts with dilute hydrochloric acid

When Sodium bicarbonate reacts with dilute hydrochloric acid, the gas evolved is:

1. Hydrogen; it gives pop sound with burning match stick.
2. Hydrogen; it turns lime water milky.
3. Carbon dioxide; it turns lime water milky.
4. Carbon dioxide; it blows off a burning match stick with a pop sound.

Answer

(C) Carbon dioxide; it turns lime water milky.

• Exam Year: 2023