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PIMSO 2023 - Science - Primary 3 - National Round Question 12

PIMSO Science · PIMSO 2023 - Science - Primary 3 - National Round

Question 12

5.0 g of ice melted into water, and then heated until it evaporated to steam. At what point did the object attain the maximum volume?

Assume ordinary atmospheric pressure and room for the vapor to expand.
  1. initially when it was ice
  2. while melting it to water
  3. when it turned to water
  4. while boiling the water to ice
  5. once everything turned to steam