RSET JHS Chemistry

Which of the following allows the matter to be hammered into sheets?

• ductility

• malleability

• brittleness

• flexibility

Melting, freezing, and breaking is an example of?

• physical change

• chemical change

• general property

• special property

Potassium is an example of?

• element

• compound

• mixture

• solution

Smoke is an example of?

• suspension

• solution

• heterogeneous mixture

• colloid

In a cup of coffee, which is the solute?

• hot water

• powdered chocolate

• salt

• powdered coffee

Which technique is best in purifying water?

• filtration

• evaporation

• physical separation

• distillation

Which of the following does NOT affect solubility?

• temperature

• amount of solute

• size of container

• nature of solvent

Oxygen is an example of?

• element

• compound

• mixture

• homogeneous mixture

Which method should you use to separate the black and white piece of a board game?

• magnetic separation

• decantation

• winnowing

• physical separation

Which shows chemical change?

• liquid salt to table salt

• melting crayons

• evaporating water

• burning of wood