Mixtures and Solutions Science Test

What is a mixture?

• A chemical combination of two or more different substances

• A physical combination of two or more different substances

• A chemically pure substance

Which of the following is NOT an example of a mixture?

• Air

• Blood

• Gasoline

• Pure Water

  (fresh water)

What type of mixture is uniform in composition?

• A chemical mixture

• A homogeneous mixture

• a heterogenous mixture

• A compound

What is a solution?

• A type of homogenous mixture

• A type of heterogeneous mixture

• A type of suspension

The substance that “does the dissolving” in a solution is called:

• the solvent

• the solute

• the salt

• the suspension

Solubility is a measure of:

• The concentration of a homogeneous mixture

• The concentration of a heterogenous mixture

• How easily a substance dissolves into another substance

What substance is often called the "Universal solvent"?

• Water

• Ethanol

• Salt

• Blood

An Alloy is:

• a heterogenous mixture of a metal and non-metal

• a heterogenous mixture of two or more metals

• a homogenous mixture of tow or more nonmetals

• A homogenous mixture of two metals or a metal and nonmetals

What type of mixture can you separate back into its original components?

• A solution

• A heterogenous mixture

• A Suspension

• All answers are correct

Which separation technique involves the physical separation of a mixture of solid particles, usually by size

• Mechanical Separation

• Magnetism

• Filtration