Science, asked by storepmpl, 9 months ago

give one standard test for carbon dioxide.Also write the equation involved Is it a physical or a chemical change
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Answers

Answered by TheSMR
1

Answer:

Carbon dioxide reacts with calcium hydroxide solution to produce a white precipitate of calcium carbonate. Limewater is a solution of calcium hydroxide. If carbon dioxide is bubbled through limewater, the limewater turns milky or cloudy white.

Equation-Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O.

It is a chemical change.

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