Characteristics of chemical reaction — task. Chemistry CBSE Live product, Class 10 (2026-27).

Identify the correct answer:

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

carbon dioxide; it turns lime water milky
carbon dioxide; it blows off a burning match stick with a pop sound
hydrogen; it turns lime water milky
hydrogen; it gives pop sound with burning match stick

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