What are the advantages and disadvantages of using mercury in thermometer? [5 MARKS]

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Solution

Advantages : 4 Marks
Disadvantage : 1 Mark

Advantages

1) Mercury is a good conductor of heat.

2) It is opaque and shining.

3) It does not stick to glass-sides.

4) It has uniform expansion.

Disadvantages

1) It is toxic in nature, even small traces of mercury in blood is harmful.

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