Which of the following statements regarding precautions in …

Chemistry Principal Related to Practical Chemistry Practical Physical Chemistry Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Which of the following statements regarding precautions in determining the enthalpy of

dissolution of copper sulphate experiment is TRUE?

In the determination of calorimeter constant, record the temperature of hot water just after mixing

We use very large amounts of copper sulphate

We stir the solution vigorously to dissolve the solid and record the temperature

In the determination of calorimeter constant, record the temperature of hot water just before mixing

Text Solution

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The correct answer is:

We avoid using large amounts of copper sulphate and avoid too much stirring as it may

produce heat due to friction.

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