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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
Solvent dissolve large amount of solute at$........$
  • A
    Room temperature
  • ✓
    Boiling temperature
  • C
    Freezing temperature
  • D
    Less than room temperature but more than freezing temperature
✓

Answer

Correct option: B.
Boiling temperature
The solvent dissolves a large amount of solute at boiling temperature, $i.e$ an increase in temperature increases the solubility of the solute. As the temperature increases, the particles of the solid move faster which increases the chances that they will interact more with the solvent molecules.
As the temperature increases, the amount of solute that can be dissolved in a solvent increases generally is high at their individual boiling points.

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