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Equilibrium — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryEquilibrium1 Mark
MCQ
In the melting of ice, which one of the conditions will be more favourable?
  • ✓
    High temperature and high pressure.
  • B
    Low temperature and low pressure.
  • C
    Low temperature and high pressure.
  • D
    High temperature and low pressure.
✓

Answer

Correct option: A.
High temperature and high pressure.
Since ice melts with the absorption of heat and decreases in volume, hence both temperature and pressure affect the melting of ice. Since the change of ice into water is an endothermic process hence with rising of temperature ice melts into water. Since the volume of ice is more than that of water so an increase of pressure favour melting.

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