Science · Chemistry - Chemical Reactions
In a laboratory demonstration, a student adds hydrochloric acid to sodium hydrogen carbonate and collects the gas evolved. How can the student confirm that the gas is carbon dioxide?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It supports combustion
- 2It forms a blue precipitate
- 3It turns blue litmus paper red
- 4It turns lime water milky✓
Correct answer
It turns lime water milky
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