Solids in liquids

All solids are soluble except _________________.

• Sugar

• Coffee

• Sand

• Salt

Which of these is NOT a form of dissolving?

• melting butter on a pan

• mixing sugar and water

• mixing salt and water

• mixing soap powder and water

If a mixture of sand and water is left to stand it will _______________.

• dissolve

• separate

• melt

• break

The colander can separate ___________ from water.

• sand

• seeds

• coffee

• stones

When a small amount of salt is mixed with water it will form a _____________ solution.

• Grey

• Transparent

• Cloudy

• Green

Which of these can be removed using a filter paper?

• pebbles

• soap powder

• coffee powder

• milk powder

Which is the correct meaning for the word dissolve?

• method of separating solid from a liquid

• method to separate 2 solids

• when a substance looks like it has disappeared when stirred

• contains one material

Filter paper can separate solids that have not dissolved. Which can be separated using filtering?

• vinegar and water

• sugar and water

• tea leaves and water

• baking powder and water

When chalk powder is mixed with water it forms a cloudy solution. How can it be separated?

• Leave the water to settle at the bottom

• Leave the chalk powder to settle at the bottom

• Leave the chalk and water to settle at the bottom

• Leave the chalk to float

How do we separate bath salts from mixture of water and bath salts mixture?

• Pass it through a funnel and filter paper

• Pass it through a colander

• Use a sieve it will retain the salt

• Let the mixture evaporate