WorksheetsReversible Irreversible Solution Suspension
Total questions: 20
Worksheet time: 19mins
When a substance dissolves in water it said to be...
evaporated
insoluble
immiscible
soluble
Which TWO of these are soluble in water?
sand
paper
coffee
plastic
bath salts
When you can get back the original substance it is called...
reversible change
electrical change
irreversible change
chemical change
Which TWO of these substances are insoluble in water?
sugar
tang
sawdust
chalk
baking soda
Which TWO of these are reversible changes?
ice-cream melting
paper burning
making popcorn
adding vinegar to baking powder
water vapour condensing into droplets forming clouds
Which of these is NOT an irreversible change?
cutting paper
burning wood
folding paper
boiling an egg
Which TWO of these are chemical changes?
chopping wood
dissolving sugar in water
seed germination
mixing vinegar and baking powder
Which TWO of these are physical changes?
ice melting
salt dissolving in water
plant growth
apple turning brown in colour
garbage rotting
When a solute dissolves in a solvent it forms a...
solution
suspension
sediment
colloid
Khaled mixes flour and water. This will form a...
solution
suspension
colloid
sediment
Copper sulfate mixed in water will form...
sugar solution
copper sulfate suspension
salt solution
copper sulfate solution
salt suspension
How will you separate a mixture of bath salts and water?
evaporation
sedimentation
filtration
decantation
How will you separate pepper and water?
evaporation
condensation
filtration
freezing
Which TWO of these are PHYSICAL changes which are IRREVERSIBLE?
water freezing into ice
breaking glass
sharpening a pencil
burning wood
Which TWO of these are chemical changes?
bones growing
cutting hair
wetting paper
iron nails rusting
The substance which is dissolved is called a...
solute
solvent
solution
None of the above
The substance in which a solute is dissolved is called a...
solute
solvent
solution
suspension
This is called a universal solvent.
milk
seawater
oil
water
These TWO are PHYSICAL changes which are REVERSIBLE.
Breaking a window
water evaporating
frying an egg
dissolving copper sulfate in water
cutting a strawberry
How will you separate a mixture of sand and salt?
Mix them in water, then freeze them, then let the salt melt and finally filter the sand suspension.
Mix them in water, then evaporate the solution to get the salt, then filter the suspension the separate the sand.
Mix them in water, then filter the mixture to separate the sand, then evaporate the salt solution to get the salt
