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Hydrogen — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryHydrogen1 Mark
MCQ
$.........$ does not expand on melting and does not contract on freezing:
  • A
    Alcohol
  • B
    Helium
  • ✓
    Water
  • D
    Oxygen
✓

Answer

Correct option: C.
Water
In melting process, ice changes to water and in freezing, water changes to ice. Both occur at $0^{\circ}C$ only.
Only change of state occurs here and not volume.

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