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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
Physical changes like boiling do not make new materials and are easily reversed $e.g.$ by cooling, which causes $........$
  • ✓
    Condensation
  • B
    Reactants
  • C
    Reaction
  • D
    Colour
✓

Answer

Correct option: A.
Condensation
Condensation: The change of a gas or vapor to a liquid, either by cooling or by being subjected to increased pressure. When water vapor cools in the atmosphere, for example, it condenses into tiny drops of water, which form clouds.

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