Anomalous Behavior of Water

Q. During the process of melting, the heat given to a body is utilized in

1. increasing the temperature
2. increasing the density of the material
3. increasing the average distance between the molecules
4. decreasing the mass of the body

Q.

At what temperature is water most dense

Q.

When a solid is immersed in a liquid, how is the volume of a liquid displaced related to the volume of the solid?

Q.

We plot the density of water as we heat a sample of ice till it melts, and keep increasing the temperature. Which of these statements is/are incorrect?

1. It is possible for 1 kg of liquid water to occupy the same volume at two different temperatures.

2. As you heat water from 1°C to 10°C, in a ceramic beaker, assuming the beaker does not expand, the water level will be the lowest at 4°C.

3. The temperature at the bottom of a lake in Russia, which is frozen at the surface, will be the same in the case of a similar lake in Canada.

4. A glass of water is heaviest when the water is at 4°C.

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

1. 0°C

2. 2°C

3. 4°C

4. 6°C

Q.

In winters the average temperature of a city is $-1^{\circ }$C. There is a big lake in the middle of the city. The temperature in the lake, ____ with an increase in depth.

1. decreases

2. remains same

3. increases then decreases

4. increases

Q.

Which of the following graphs shows the variation in density of water with the temperature in the range from 0 ${}^{\circ }C$ to 10 ${}^{\circ }C$?

1. 

2. 

3. 

4. 

Q. What is the temperature range for anomalous expansion of water?

1. 4 ${}^{\circ }$C to -10 ${}^{\circ }$C
2. 4 ${}^{\circ }$C to 0 ${}^{\circ }$C
3. -4 ${}^{\circ }$C to 0 ${}^{\circ }$C
4. 8 ${}^{\circ }$C to 0 ${}^{\circ }$C

Q.

Water on heating from 0 ${}^{\circ }$C to 4 ${}^{\circ }$C contracts and on further heating it expands.

1. True

2. False

Q.

Water has maximum density at __.

1. 0 °C

2. 32 °C

3. -4 °C

4. 4 °C

Q. Water and ice can exist together at 0${}^{\circ }$$C$

1. True
2. False

Q. The temperature range in which water shows anomalous behaviour is:

1. 1 °C to 4 °C.
2. 0 °C to 4 °C.
3. -1 °C to -4 °C.
4. 0 °C to -4 °C.

Q. When ice melts into water at $0^{\circ }\text{C}$, its volume will

1. remain the same
2. increase slightly
3. decrease
4. increase significantly

Q.

Which of the following represents the correct diagram for anomalous expansion of water as a real life application?

1. C

2. D

3. A

4. B