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Changes Around Us — Science STD 6 — Question

CBSE BoardEnglish MediumSTD 6ScienceChanges Around Us1 Mark
MCQ
Direction: Read the passages given below and answer the questions that follow Passage. Mohan was boiling water in a pan for making tea. His brother Ram came there and observed that during boiling of water some bubbles are formed. He told his brother Mohan that boiling of water is a chemical change as gas is evolved in this process. But Mohan argued that this is not a chemical change. According to you what is the gas that is observed by Ram?
  • A
    Oxygen.
  • ✓
    Water vapours.
  • C
    Carbon dioxide.
  • D
    No gas is formed.
✓

Answer

Correct option: B.
Water vapours.
During boiling of water, water vapours are formed.

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