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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. Do you agree with Mohan? What kind of change is this?
  • ✓
    Yes, physical change.
  • B
    No, chemical change.
  • C
    No, irreversible change.
  • D
    No, Periodic change.
✓

Answer

Correct option: A.
Yes, physical change.
Yes, Mohan is correct. Boiling of water is a physical change. This is because in boiling of water molecules of water remains the same as liquid water changes into water vapour and no new product is formed.

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