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ICSE Class 10 Chemistry Question 2 of 20

Solved 2022 Semester 2 Question Paper ICSE Class 10 Chemistry — Question 5

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5
Question

Question 1(v)

The gas formed, when calcium bisulphite reacts with dilute HNO3:

  1. Sulphur trioxide
  2. Hydrogen
  3. Sulphur dioxide
  4. Hydrogen sulphide
Answer

Sulphur dioxide

Reason — Ca(HSO3)2 + 2HNO3 [dil.] ⟶ Ca(NO3)2 + 2H2O + 2SO2