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Heat and Energy — PHYSICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9PHYSICSHeat and Energy1 Mark
MCQ
Water is cooled from $4 ^\circ C$ to $0 ^\circ C.$ It will :
  • A
    contract
  • ✓
    expand
  • C
    first contract, then expand
  • D
    first expand, then contract
✓

Answer

Correct option: B.
expand
Water shows anomalous behavior between $0 ^\circ C$ and $4 ^\circ C.$ Hence, when it is cooled it expands.

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