Cosmo Chp 7 Basics of Chemistry and Electricity

Organic chemistry is the study of substances containing:
Carbon
Water
Hydrogen
Organisms
Examples of organic substances are:
Pesticides
Pure water
Minerals
Metals
Matter is any substance that:
Occupies space
Contains carbon
Is soluble in water
Is either a solid or liquid
The particles from which all matter is composed are:
Elemental molecules
Compound molecules
Atoms
Chemical compounds
Two or more atoms of the same element that are united chemically form a/an:
Elemental molecule
Chemical compound
Compound molecule
State of matter
When water boils, it is changing from one state of matter to another, from:
Liquid to gas
Gas to liquid
Solid to liquid
Solid to gas
When a physical change occurs in a substance, there is:
A change in physical properties
No change in state of matter
The formation of a new substance
A chemical reaction
The action of permanent haircolor is an example of a:
Physical change
Temporary change
Chemical change
Change in state of matter
Water (H20) is an example of a/an:
Chemical compound
Element
Physical mixture
Solution
Salt water and fruit salad are examples of a/an:
Pure substance
Physical mixture
Chemical compound
Element
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