CBSE Class 9 Answered
Carbon
Asked by Rishav | 04 Jun, 2008, 09:13: PM
Expert Answer
It is most conveniently prepared in the lab. by the action of an acid on a carbonate. The apparatus used is shown below. The chemicals used are usually limestone or marble chips and dilute hydrochloric acid.
CALCIUM + HYDROCHLORIC 
CALCIUM + WATER + CARBON
CARBONATE ACID CHLORIDE DIOXIDE
(MARBLE)
CALCIUM + WATER + CARBONCARBONATE ACID CHLORIDE DIOXIDE
(MARBLE)
CaCO3 + 2HCl CaCl2 + H2O + CO2
Diagram for lab preparation of carbon dioxide
Answered by | 18 Jun, 2008, 04:44: AM
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