Question

give one advantage of using alcohol as the liquid in a thermometer as compared to using mercury ​

Answer 1

Answer:

Advantages of using alcohol over mercury as thermometric liquid are: i) Alcohol has greater value of temperature coefficient of expansion than mercury. ii) it's freezing point is below –100°C. Thus, alcohol thermometer is more sensitive than mercury thermometer and can be used to measure the temperature below –40°C.

Explanation:

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Answer 2

Answer:

The three advantages of mercury are:

1. It expands uniformly when heated.

2. It has a high boiling point (357 °C) and a low freezing point (-39 °C).

3. It does not stick to the walls of the glass tube.

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