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:

B. Heat was used for changing ice at 0 ^ C. to water at 0^ C.

A thermometer is inserted into a beaker filled with ice at 0 C.. …

MCQ

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:

A
Ice is very cold
✓
Heat was used for changing ice at $0 ^\circ C$. to water at $0^ \circ C$.
C
The density of water is more than ice
D
The density of water is less than the ice

✓

Answer

Correct option: 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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