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JSCE Basic Science 2023 Objective — Question 32

Question 32 of 100 from the Junior Secondary Certificate Examination (JSCE) Basic Science 2023 Objective paper, with the correct answer and a full explanation.

Calculate the percentage moisture content of a timber which weighs 250grams before drying and 150grams after drying.

A. 40%Correct
B. 50%
C. 100%
D. 140%

Explanation

Water lost = 250 - 150 = 100 g. 100/250 x 100 = 40%.

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