2. Which gas is given off when dilute hydrochloric acid is added to calcium carbonate?How will you test the gas? Write the chemical equtations for both reactions.
Answers
Answered by
31
Answer:
carbon di oxide will be given off
Explanation: 2HCl +CaCO3 = CaCl2 +H2O+CO2
identification test
Test: Bubble the gas through lime water ( a solution of calcium hydroxide in water).
Result: Lime water turns cloudy.
Answered by
25
Answer:
carbon dioxide will be given out
the gas can be tested by passing it through lime water hence lime water will turn milky
CaCO3+2HCL= CaCl2+H2O+CO2☝️
Explanation:
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