Standard Science Primary 4 Matter

Siti pumped 50 cm³ of air into a 200 cm³ rigid metal container that already contained 200 cm³ of air. What is the final volume of air in the container?

A 400 cm³
B 50 cm³
C 250 cm³
D 200 cm³
Show Worked Solution

Worked Solution

Step 1: Air is a gas and has no fixed volume. Step 2: A rigid container has a fixed volume (200 cm³). Step 3: Compressed air will still occupy the entire 200 cm³ space.

Correct answer: 200 cm³

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