7E Mixtures and seperation

Question 1

Mixture

Answer 1

Two or more substances
jumbled together but not
joined together.

Question 2

Suspension

Answer 2

A mixture of a solid and liquid,
where the solid bits are heavy
enough to settle out if the
mixture is left to stand.

Question 3

Colloid

Answer 3

A mixture of a solid, liquid or
gas in a solid, liquid or gas
where the substances do not
settle out if left to stand.

Question 3

Solution

Answer 3

When a substance has
dissolved in a liquid.

Question 4

Opaque

Answer 4

Cannot be seen through-
colloids are opaque / cloudy.

Question 4

Transparent

Answer 4

Light can pass through and it
can be seen through- solutions
are transparent.

Question 5

Filter

Answer 5

Something through which a
liquid is passed to remove
suspended pieces of solid.

Question 6

Solvent

Answer 6

The liquid in which a
substance dissolves to make
a solution.

Question 7

Solute

Answer 7

The substance that has
dissolved in a liquid to make
a solution.

Question 8

Chromatography

Answer 8

Used to separate
substances dissolved in a
mixture.

Question 9

Pure

Answer 9

A single substance that does
not have anything else in it.
(Pure water only contains
water and no dissolved
solutes)