Anomalous Expansion of Water

Q.

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

1. True

2. False

Q. The diameter of an iron tyre is kept slightly smaller than the wooden wheel on which this tyre is to be mounted.

Q.

Which of the following quantity does not always expand on heating?

1. Copper wire

2. Iron tracks

3. Water

4. Oil

Q. Alex asked a blacksmith to make a metal cap for his grandfather's walking stick. After the cap was made, it has been observed that it should slightly be bigger to be attached to the walking stick. Provide Alex with a solution to his problem.

Q.

What is the dimension of density?

1. [ML³T⁰]

2. [ML^-3T⁰]

3. [M²L³T⁰]

4. [M²L^-3T⁰]

Q. Define Volume.

Q. Pick the INCORRECT statement.
When a liquid in a beaker is heated on a gas burner:

1. the heated molecules become less dense and rise
2. the colder molecules from above fall down and get heated
3. the heat is transferred by convection
4. the molecules of the liquid do not rise or fall
   

Q. Which of these is a property of a liquid?

1. Has a particular shape
2. Doesn't have a fixed volume
3. Doesn't have a fixed shape
4. Has a particular volume

Q. At what temperature does water begin to expand when cooled ?

Q. a corked bottle full of water when frozen will break because.

1. The volume of water increases on freezing
2. The volume of water decreases on freezing
3. The bottle contracts on freezing
4. Glass is a bad conductor of heat

Q. The % by volume of $C_4{H}_{10}$ in a gaseous mixture of $C_4{H}_{10},C{H}_{4}andCO$ is 40. When 200 ml of the mixture is burnt in excess of $O_4$ produced.

1. 220
2. 560
3. 440
4. 340

Q. At low temperatures, __________ of thermometer can be used.

1. mercury thermometer type
2. alcohol thermometer type
3. water thermometer type
4. no type