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CBSE Class 10 Science Question 3 of 60

Solved 2022 Term 1 Question Paper CBSE Class 10 Science — Question 3

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Question 3

Study the diagram given below and identify the gas formed in the reaction.

Study the diagram given below and identify the gas formed in the reaction. CBSE 2022 Term 1 Science Class 10 Question Paper Solved.
  1. Carbon di-oxide which extinguishes the burning candle.
  2. Oxygen due to which the candle burns more brightly.
  3. Sulphur dioxide which produces a suffocating smell.
  4. Hydrogen which while burning produces a popping sound.
Answer

Hydrogen which while burning produces a popping sound.

Reason — When zinc reacts with sulphuric acid, it produces hydrogen gas and zinc sulphate.

Zn + H2SO4 ⟶ ZnSO4 + H2↑