Physics
An increase in pressure results in …………… in melting point of ice :
- increase
- no change
- decrease
- none of the above
Calorimetry
11 Likes
Answer
decrease
Reason — The melting point of ice decreases when pressure increases because when pressure is increased, volume is decreased and the volume of water is less than ice. So it will be easier to change the state from solid to liquid, and therefore, the melting point decreases.
Answered By
6 Likes
Related Questions
1.0 kg of water is contained in a 1.25 kW kettle. Calculate the time taken for the temperature of water to rise from 25° C to it's boiling point 100° C. Specific heat capacity of water = 4.2 J g-1 K-1.
Heat energy is …………… during melting and it is …………… during freezing at a constant temperature.
- rejected, absorbed
- rejected, rejected
- absorbed, absorbed
- absorbed, rejected
At high altitudes, water boils at a temperature of :
- 100°C
- more than 100°C
- less than 100°C
- 150°C
If common salt is added to water, it boils at a temperature of :
- 100°C
- lower than 100°C
- higher than 100°C
- cannot say