Variation of Density with Temperature

Q.

The density of a gas increases with increase in temperature.

1. False

2. True

Q.

How does the density of a liquid (or gas) vary with temperature?

Q.

Explain with the help of a graph the anomalous expansion of water.

Q.

The density of water will ___ with temperature.

1. increase

2. decrease

3. does not change

4. increase/decrease

Q.

When the water is heated from $0$ to $10$, its volume _____.

Q.

If water is gradually heated from 0° C to 25° C. Which of the following statements would be correct?

1. Volume acquired by water at a temperature between 0° to 4°C is attained again after 4°C.

2. The volume of water increases with the increase in the temperature from 0° to 4°C

3. The volume of water decreases with the increase in the temperature from 0° to 4°C

4. The maximum volume of water is at 0°C

Q. The temperature of water at the surface of a deep lake is $2^{\circ }C$. The temperature of water expected at the bottom is _____.

1. 0°C
2. 4°C
3. -2°C
4. -4°C

Q.

21. Weather observation balloons are filled with……

Q.

The volume of ice _________ when it melts.

Q. how does applying pressure help in liquefations of gas?

Q. The density of water always increases with the decrease in temperature.

1. True
2. False

Q. The density of the water always increases with the decrease in temperature.

1. True
2. False

Q. The temperature of water at the surface of a deep lake is $2^{\circ }C$. The temperature of water expected at the bottom is

1. $0^{\circ }C$
2. $4^{\circ }C$
3. $-2^{\circ }C$
4. $-4°C$