Freezing

Q.

When water is kept below its freezing point it turns into

1. Turns into liquid

2. Turns into ice

3. Turns into steam

4. Turns into plasma

Q. When water solidifies to ice, heat is:

1. evolved
2. absorbed
3. no change
4. depending on the condition it may be absorbed or evolved.

Q. Which of the following shows the correct order of increasing density?

1. Oil < Air < Brick
2. Brick < Oil < Air
3. Air < Oil < Brick
4. Air < Brick < Oil