Why is it important that the thermometer not touch the sides or bottom of the te

Question

Why is it important that the thermometer not touch the sides or bottom of the test tube?

a) It's important to not touch the sides of the test tube with the thermometer because touching it to the sides of the test tube fractures the glass and does not allow for correct temperature measurements.

b)It's important to not touch the sides of the test tube with the thermometer because it might explode from the heat or pressure.

c)It's important to not touch the sides of the test tube with the thermometer to ensure the temperature is being measured of the solution, not the glass.

Explanation / Answer

Solution :

Option C is Correct -

c) It's important to not touch the sides of the test tube with the thermometer to ensure the twmperature is being measured of the solution, not the glass.

This is to avoid fluctuations in actual reading of the solution in the test tube & to measure the correct temperature of the solution, because the sides and bottom of the test tube will likely be at significantly different temperature than the solution in the test tube

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