Question

How can we express the rate of a physical or chemical process?

(a) Amount of product formed per unit time

(b) Amount of precipitate formed per unit time

(c) Amount of substrate used per unit product

(d) Amount of time taken per unit product

I have been asked this question in an interview for internship.

This interesting question is from Biomolecules topic in portion Biomolecules of Biology – Class 11

Answer 1

Correct answer is (a) Amount of product formed per unit time

For explanation: The rate of a physical change or a chemical change can be expressed by the amount of product formed per unit time. Physical changes are reversible but chemical changes are not reversible.