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Questions and Answers
Why does the gas evolved extinguish a burning candle?
Why does the gas evolved extinguish a burning candle?
The carbon dioxide gas evolved during the reaction does not support combustion, which causes the candle to be extinguished.
Write the balanced chemical equation for the reaction described.
Write the balanced chemical equation for the reaction described.
2HCl + CaCO3 -> CaCl2 + CO2 + H2O
What gas is evolved during the reaction?
What gas is evolved during the reaction?
Carbon dioxide
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