A thermometer is inserted into a beaker filled with ice at 0-C- The beaker is heated slowly- The temperature does not rise for some time- This is because-

The correct option is B heat was used for changing ice at 0^∘C to water at 0^∘C The temperature does not rise for some time because heat was used fo ...

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Standard VII

Chemistry

Physical Properties of Water

A thermometer...

Question

A thermometer is inserted into a beaker filled with ice at $0^{\circ} C$ . The beaker is heated slowly. The temperature does not rise for some time. This is because:

ice is very cold

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heat was used for changing ice at

0^{\circ} C

to water at

0^{\circ} C

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the density of water is more than ice

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the density of water is less than the ice

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Solution

The correct option is B heat was used for changing ice at $0^{\circ} C$ to water at $0^{\circ} C$
The temperature does not rise for some time because heat was used for changing ice at $0^{\circ} C$ to water at $0^{\circ} C$ . When heat is given to solid ice, it first absorbs energy to convert into liquid water. After some time, when it converts into liquid water, temperature starts increasing.

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Similar questions

Q. A beaker contains

40 g

of water at

20^{\circ} C

. Now

50 g

of ice at

0^{\circ} C

is put into the beaker. The resulting temperature will be :

Q. A cubic metre of water at

0^{o}

C is solidified into ice, density of ice is

0.96

of water at

0^{o}

C. Which of the following deductions are true?

1

. Water expands when solidified.

2

. Ice will float in water at

0^{o}

C with half its volume above the surface.

3

. Density of all liquids are higher than its density when solidified.

A small amount of ice is placed in water at 0⁰C. It is observed that small amount of water freezes (i.e., amount of ice increases). Why?

Explain why, ice at $0^{\circ}$ C is more effective in cooling than water at the same temperature.

Q. Which of the following statement is incorrect-a)The melting point of ice is 0°c b) Cooling is produced during melting c)Temperature changes slowly on heating ice d)On melting temperature stays at 0°c for water.

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A thermometer is inserted into a beaker filled with ice at 0∘C. The beaker is heated slowly. The temperature does not rise for some time. This is because:

A thermometer is inserted into a beaker filled with ice at $0^{\circ} C$ . The beaker is heated slowly. The temperature does not rise for some time. This is because: