Standard Science Primary 4 Matter

Ravi tried to push the plunger of a syringe filled with Substance X. He found that he could not push the plunger in at all. What is Substance X likely to be?

A Steam
B Water
C Oxygen
D Air
Show Worked Solution

Worked Solution

Step 1: If the plunger cannot be pushed, the substance is incompressible. Step [2-9]: Solids and liquids have a definite volume and cannot be compressed. Step [2-9]: Among the choices, water is the only liquid; others are gases.

Correct answer: Water

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