Question

A glass bottle completely filled with water and tightly closed at room temperature, is likely to burst when kept in the freezer of a refrigerator

Answer 1

Answer:

As per the question, the glass bottle has been completely filled with water.

It has been tightly closed and kept in the freezer of a refrigerator.

Now, there are some points to note.

1. Completely filled bottle refers to the fact that there is no more space inside the bottle.

2. Bottle tightly closed means that no water can leak out of the bottle.

3. Freezer refers to Sub-Zero temperatures.

Now, what happens????

The bottle is going to burst.

This is because of anomalous expansion of water. When water is freezed, it undergoes expansion .

But the glass bottle does not undergo expansion.

Hence the bottle cracks (bursts).

Answer 2

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1. The temperature of air in the freezer (deepfreeze) compartment of a refrigerator is less than 0°C.

2. When a plastic bottle, completely filled with water, is kept in this compartment, the temperature of water falls below 4°C and the water expands.

3. Even when water freezes and ice is formed, there I an increase in the volume.

4. It exerts a large pressure on the sides of the bottle.

Hence, the glass bottle is likely to burst.

Hope it helps!

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