The ___________the forces of attraction between the particles, the ______ energy is needed to overcome them.

Which of one of the following statements are incorrect?

1. Solid changes to liquid is called freezing.
2. Solid changes to liquid is called sublimation.
3. Liquid changes to solid is called melting
4. Solid changes to liquid is called melting

When the solid and liquid phase are in equilibrium, the temperature ____________

1. Increases
2. Decreases
3. First increases and then decreases
4. Remains same

1atm pressure is equal to _____ mm Hg:

The Melting point and freezing point occurs at:

1. Different temperatures
2. Same Temperature
3. Temperatures more than melting point
4. Temperatures less than the freezing point

At which point does a substance melt:

1. Solid changing to liquid
2. Liquid changes to solid
3. Solid changes to gas
4. Gas changes to liquid

What is meant by freezing point?

1. Solid changes to liquid
2. Liquid changes to solid
3. Solid changes to gas
4. Gas changes to liquid

The temperature at which solid changes to liquid is called______.

1. Melting point
2. Boiling point
3. Vaporization.
4. Condensation

Where is melting point used?

1. Research 
2. Industrial sector
3. Checking the purity
4. All the above

Which one of the following is an example of melting?

1. Ice cream
2. Butter
3. Ice cube
4. All the above

What is the instrument used to measure melting point of any substance?

1. Balance
2. Weighing machine
3. Thermometer
4. Tape 

The freezing point and melting point of water is:

1. Same
2. Changes
3. Equal
4. Depend on the substance

The freezing point of sucrose is:

1. 186°C
2. Decrease 295°F
3. 801°C
4. Both A and B

As heat is applied to a solid substance, the temperature _________ and remains constant until the solid state converts to liquid.

1. Increases
2. Decrease
3. Remains same
4. None of these

What leads to the lowering of freezing point

1. Impurities
2. purity
3. External forces
4. None of these