Q5. What happens when and also write their balanced chemical equation:
1. Copper metal reacts with sulfuric acid.
2. Hydrochloric acid reacts with marble.
3. Baking soda reacts with sulphuric acid.
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1.when con h2so4 reacts with copper metal it liberates h2 gas
cu+2h2so4 gives cuso4+so2+2h2o
2.2hcl+caco3 gives cacl2+co2+h2o
3.nahco3+h2so4 gives na2so4+co2+h2o
hope it helps
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