If the air inside a rigid box is heated, the …………? Which of the statements below are correct?

By: |Published on: May 19|Categories: Physics WAEC| 0 comments

i, average speed of the molecules increases

ii. pressure of the air increases

iii. average separation of the molecule increases.

A. i and ii only
B. ii and iii only
C. i and iii only
D. i, ii and iii

Correct Answer: Option A

A. i and ii only

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