29. A student dropped few pieces of marble in
dilute hydrochloric acid contained in a test tube. The
evolved gas was then passed through lime water. What
change would be observed in lime water? Write balanced
chemical equation for both the change observed?
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1
Answer:
Carbon dioxide
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Answer:
When a few pieces of marble are dropped in hydrochloric acid, calcium chloride, water and carbon dioxide gas are formed. The evolved gas (i.e., carbon dioxide) turns lime water milky
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