How can we separate chalk and iron fillings?

• By sieving

• By using magnet

• By sublimation

Which is the correct statement bellow?

• Bronze is a mixture or copper, tin and carbon dioxide

• Salt is a mixture of sodium chloride and chorine

• Soft drink is a mixture of water, oxgygen, colorings and flavorings

Dry ice and mothballs are made by

• Sublimation

• Decanting

• Evaporation

What is the name of the separation techniques in the picture?

• Evaporation

• Filtration

• Sublimation

What is the separation technique that shown in the picture?

• Filtration

• Sifting

• Evaporation

What is the separation technique that we use to separate and and gravel?

• Decanting

• Sublimation

• Sifting

What is the separation technique that we use to obtain salt from seawater?

• Sublimation

• Precipitation

• Evaporation

What techniques that we use to make pigments and dyes?

• Precipitation

• Sublimation

• Evaporation

How to separate a mixture of sugar and water?

• By precipitation

• By sublimation

• By evaporation

Which is the correct statement bellow about the filtration?

• Filtration technique is the separation of dissolved solids from liquids

• Filtration technique is obtain salt from water

• In filtration technique, the sand that remains on the filter paper called residue