Addition of small amounts of which solids to 4 M HCl will result in gas evolution? I. Zn II. Na2SO3 | Descriptive Chemistry

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Descriptive ChemistryMCQ

Question

Addition of small amounts of which solids to 4 M HCl will result in gas evolution?
I. Zn
II. Na₂SO₃

I only

II only

Both I and II

✓ Correct

Neither I nor II

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