Question

Long answer type questions.
(a) List the precautions that should be taken while using a thermometer.
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Answer 1

Answer;

precautions that should be taken while using a thermometer are:

1) The reading should be taken by keeping the level of mercury along the line of sight.

2) Before use, the mercury level should be below 35°C.

3) Wash the thermometer with water or an antiseptic solution before and after use.

4) Never hold the thermometer by the bulb while reading it.

5) Handle the thermometer with care, it can break if hit against hard object.