Advanced Science Primary 4 Matter

A metal container has a capacity of 300 cm³. It is filled with 100 cm³ of water. 200 cm³ of air is then pumped into the container. What is the final volume of air in the container?

A 300 cm³
B 100 cm³
C 200 cm³
D 400 cm³
Show Worked Solution

Worked Solution

Step 1: Identify the fixed volumes. The container is 300 cm³ and water (liquid) has a fixed volume of 100 cm³. Step [2-9]: Calculate remaining space for air: 300 cm³ - 100 cm³ = 200 cm³. Step [2-9]: Since air is a gas and has no fixed volume, it will compress to fill the available space of 200 cm³.

Correct answer: 200 cm³

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