Question

dilute sulphuric acid is added to granulated zinc​

Answer 1

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(a) When Zinc reacts with the dilute sulphuric acid, hydrogen gas is evolved with an effervescence. Zn + dil. H2SO4 → Zn SO4 + H2. (b) When a few pieces of iron are dropped into a blue colored copper sulphate solution, the blue color of the solution fades and eventually turns to green.

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Answer 2

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(a) When Zinc reacts with the dilute sulphuric acid, hydrogen gas is evolved with an effervescence. Zn + dil. H2SO4 → Zn SO4 + H2. (b) When a few pieces of iron are dropped into a blue colored copper sulphate solution, the blue color of the solution fades and eventually turns to green.

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