Standard Science Primary 4 Matter

Which set of substances are all in the same state of matter at room temperature?

A Ice, Mercury, Iron
B Steam, Air, Oxygen
C Honey, Sand, Water
D Cooking oil, Milk, Carbon dioxide
Show Worked Solution

Worked Solution

Step 1: Room temperature is approx 25°C. Step [2-9]: Steam (water vapour), Air (mixture of gases), and Oxygen are all in the gaseous state.

Correct answer: Steam, Air, Oxygen

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