Mixtures

When iron and sulfur are heated together, a ______________ is formed:

• element

• compound

• mixture

• none

Air is a mixture of:

• elements

• compounds

• elements and compounds

• none

Metal mixtures are called:

• compounds

• alloys

• both

• none

Bronze is an alloy of:

• iron and carbon

• nickel and chromium

• copper and tin

• none

Mineral water is a:

• compound

• mixture

• both

• none

Mixtures of different colored dyes or inks can be separated by:

• Filtration

• sedimentation

• chromatography

• evaporation

The substance which dissolves another substance in it is called:

• solute

• solvent

• solution

• none

A solution which contains maximum solute at room temperature is:

• dilute solution

• concentrated solution

• saturated solution

• none

According to the law of conservation of mass:

• mass of solution + mass of solute = mass of solvent

• mass of solvent + mass of solution = mass of solute

• mass of solute + mass of solvent = mass of solution

• none

When a solute does not dissolve in a solvent it is:

• soluble

• insoluble

• both

• none