Solubility & Separation methods - S1 Science

A substance that cannot dissolve in a liquid is described as:

• soluble

• insoluble

• dissolved

• saturated

When salt is added to water it disappears and is said to be:

• saturated

• soluble

• insoluble

When no more spaces exist, the solute cannot dissolve and the solution is said to be...

• full

• saturated

• solid

• unsaturated

What method would be best to separate flour and rice?

• filtration

• evaporation

• sieving

• magnetism

What method would be best to separate iron fillings and salt?

• sieving

• magnetism

• decanting

• filtration

True or False? A pure substance is made up of only one type of element or compound.

• True

• False

True or False? A mixture contains two or more elements that are chemically joined.

• True

• False

What separation method will separate an insoluble solid from a liquid?

• Evaporation

• Distillation

• Sieving

• Filtration

Which separation method will separate two liquids based on their boiling point?

• Evaporation

• Distillation

• Condensation

• Magnestism

A concentrated solution will have _______ solute dissolved in the liquid.

• A lot

• A little