Unit 3 Material Changes - Test Review - SCIENCE 5

Soluble substances ______________ completely with the liquid.

Most mixtures can be separated but _________________________cannot be separated.

Stirring a solution makes solid solutes dissolve faster.

• True

• False

Factors affecting the rate of dissolving.

• temperature, stirring, grain size

• colour of solvent, texture, type of solute

• container, the volume of solvent, temperature

• stirring rod, amount of solute, the smell of solvent

What is part H of the diagram?

Which is filtrate?

Part 1 of the diagram is the _______.

• mixture

• funnel

• beaker

• filter

Coffee granules

• soluble

• insoluble

Sand

• soluble

• insoluble

iron sulfate

• soluble

• insoluble