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A thermometer is made up of a glass tube which is filled with?

Medium General Science GENERAL SCIENCE FPSC

Question

A thermometer is made up of a glass tube which is filled with?

A Water B Air C Mercury D Alcohol

Explanation

Explanation
A thermometer is typically made up of a glass tube filled with Mercury (Hg), a silvery-white liquid metal. The Mercury expands or contracts in response to changes in temperature , allowing us to measure the temperature.

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