MEDIUM
Lower Secondary Stage 8
IMPORTANT
Earn 100
Draw three lines to match the particle diagram to the correct state of matter.
Important Questions on Elements, Compounds and Mixtures
EASY
Lower Secondary Stage 8
IMPORTANT
The particle diagram below shows how the particle is arrangement changes during a change of state.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Give reason: When chocolate is left in the warm sun, it starts to melt.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Sometimes the pipes carrying water in houses in Northern Europe split open or burst. Burst water pipes are common in winter than in summer. Explain why ?
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Gases and liquids take on the shape of their container.
Bromine gas completely fills the bottle but liquid bromine just covers the bottom of the bottle.Explain why ?
EASY
Lower Secondary Stage 8
IMPORTANT
Diffusion will occur if there is a difference in:
Tick one box.
EASY
Lower Secondary Stage 8
IMPORTANT
The two particle diagrams shows the same gas at different pressures.
State which diagram shows the gas at higher pressure _____.
EASY
Lower Secondary Stage 8
IMPORTANT
Which statements are true?
Tick two boxes.
EASY
Lower Secondary Stage 8
IMPORTANT
Look at the diagram. It shows a sealed gas syringe.
Describe what will happen to the pressure of the gas as the plunger is pushed in.
