Question

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.​

Answer 1

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

Answer 2

1).top image 2). top image. 3). top image

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