C5 - Chemical Analysis

Question 1

A pure substance consists of only ___ _______ or ____ _________.

Answer 1

one element, one compound

Question 2

A mixture consists of ___ or more substances not ________ combined

They can contain ________ or _______, or both

All Mixtures are _________.

Answer 2

two, chemically

elements, compound

impure

Question 3

An elements contains just ____ type of _____.

Answer 3

one, atom

Question 4

A compound consists of ___ or more types of _____ that are ________ combined.

Answer 4

two, atoms, chemically

Question 5

_________ is a mixture that is always made with the same _________ of the same _________.

It is important that the _________ used to make _______ and drugs are ______. - If they aren’t ____ they can make the _______ unsafe to use.

________ can be used to represent __________.

Answer 5

Formulations, proportions, substances

formulations, medicine, pure, pure, medication

ratio, formulations

Question 6

An impurity is another ________ that is contained in an otherwise ______ substance.

Answer 6

substance, pure

Question 7

A ____ substance will melt at a ______ temperature

The closer the substance is to the specified melting temperature the ______ the substance is.

Answer 7

pure, specific

purer

Question 8

________/impurities tend to melt over a _____ of _________ and usually have a _____ ________ point.

Answer 8

Mixtures, range, temperatures, lower melting

Question 9

Impurities in substances will _____ the _______ point and increase the __________ _____ of the substance

Answer 9

lower, melting, melting range