Classifying Matter Question Preview (ID: 569)

How Do Mixtures Differ From Pure Substances? TEACHERS: click here for quick copy question ID numbers.

Which of these substances is NOT an element?
a) salt
b) helium
c) oxygen
d) sodium

Water comes from your sink at home is
a) an element
b) a mixture
c) a substance
d) a compound

You accidently dump salt into the half-full pepper shaker. You have just created
a) a solute.
b) a mixture.
c) a solution.
d) a gigantic rift in the space-time continuum.

Sugar is stirred into a glass of water. The sugar is
a) the solute.
b) the solvent.
c) the mixture.
d) made by combining Na with Cl.

The most common solvent found on Earth is
a) helium.
b) paint thinner.
c) sugar.
d) water.

Which below is NOT an example of a mixture?
a) salt water
b) the Earth's atmosphere
c) dumping sand into a bag of marbles.
d) These are ALL examples of mixtures.

Why is ice NOT a mixture?
a) It's made out of just hydrogen.
b) It's a compound. It's still just water.
c) You can separate what the ice is made out of.
d) Water is a mixture. All componds float on mixtures. Ice floats on water and therefore water is a mixture.

A substance that is made up of only ONE kind of atom is a(n)
a) compound
b) element
c) homogenous mixture
d) solution

Which below is a mixture?
a) carbon monoxide
b) berylium
c) potassium chloride
d) sand

A mixture that contains only one substance is a(n)
a) compound
b) homogenous mixture
c) heterozygous mixture
d) element

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