Online Test — Matter & Mixtures
10 Questions • 12 min • Chapter MCQ
12:00
Question 1 of 10
medium
Sugar dissolves faster when the water is…
Oily
Icy and still
Frozen
Warm and stirred
Explanation: Warmth and stirring speed up dissolving.
Question 2 of 10
medium
A mixture of sand and iron filings can be made just by…
Heating to melt
Mixing them together
A chemical reaction
Burning
Explanation: Just mixing makes a simple mixture.
Question 3 of 10
hard
Adding heat usually makes particles move…
Slower and closer
Faster and spread apart
Backwards
To sleep
Explanation: Heat makes particles move faster and spread out.
Question 4 of 10
easy
Iron filings can be separated from sand using a…
Magnet
Spoon only
Fire
Fan
Explanation: A magnet pulls out the iron filings.
Question 5 of 10
easy
A simple way to kill germs in water at home is to…
Boil it
Freeze it
Shake it
Colour it
Explanation: Boiling water kills most germs.
Question 6 of 10
easy
Which of these is a mixture?
A single grain of sugar
Pure water
Salad of many vegetables
Pure gold
Explanation: A salad is a mixture of different things.
Question 7 of 10
medium
Sand does not dissolve in water, so sand is…
Insoluble
Soluble
A gas
A solution
Explanation: Sand stays undissolved — it is insoluble.
Question 8 of 10
medium
A liquid has a fixed volume but no fixed…
Name
Weight
Particle
Shape
Explanation: Liquids keep their volume but take the container's shape.
Question 9 of 10
medium
Passing water through a cloth or filter removes…
All taste
Mud and visible dirt
Its weight
Its colour only
Explanation: Filtering removes mud and floating dirt.
Question 10 of 10
medium
Light husks can be separated from heavier grain by letting the wind blow them away. This is called…
Boiling
Filtering
Winnowing
Magnetising
Explanation: Winnowing uses wind to remove light husks.