Standard Science Primary 4 Matter

Which of the following is NOT a property of air?

A It occupies space.
B It has a definite shape.
C It has mass.
D It can be compressed.
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Worked Solution

Step 1: Air is a gas. Step 2: Gases take the shape of their container (no definite shape). Step 3: Therefore, having a definite shape is false.

Correct answer: It has a definite shape.

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