Multiple choice

Which of the following is not a precaution that should be observed while reading the laboratory thermometer?

  1. The temperature should be read keeping the line of sight in level of the mercury.

  2. The bulb of the thermometer should not touch the side or the base of the container.

  3. The stem of the thermometer should be completely dipped in the liquid.

  4. The thermometer should be kept upright.

  5. The bulb of the thermometer should be completely surrounded by the liquid.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as this is not a precaution that should be observed while reading the laboratory thermometer. One should not dip the stem of the thermometer in the liquid.

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