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At what temperature and pressure does water exist in all three forms?
4.56 K and 273 mmHg
273.16 K and 4.56 mmHg
300.26 K and 4.56 mmHg
283.16 K and 5.56 mmHg
Water can exist in all three forms at 273.16 K and 4.56 mmHg.
On heating, kinetic energy _______, and this causes _____ in temperature.
increases, rise
decreases, fall
remains the same, rise
increases, fall
On heating, kinetic energy increases and this causes rise in temperature.
At the melting point, the temperature ________ on heating.
Increases
Decreases
Remains constant
Decreases, then increases
At the melting point, the temperature remains constant on heating because the absorbed heat is used to break the force of attraction.
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