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Classification of Matter

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Questions 10

Answers

1
Matter is classified into Pure Substances and Mixtures.
False
True
2
Which of the following is FALSE about mixtures?
physical combination of two or more substances
components can be separated using physical processes
combined substances are in a fixed ratio
either homogeneous or heterogeneous
3
It is anything that has mass and occupies space.
Chemistry
Matter
Science
Volume
4
Which of the following is NOT an example of a pure substance?
carbon dioxide
copper
soil
gold
5
A compound is composed of more than one type of atom that are chemically bonded together.
True
False
6
Which of the following are sub-classifications of pure substances?
elements and compounds
colloids and suspensions
solutions and colloids
compounds and solutions
7
What is common between elements and compounds?
both can be broken down by physical processes
both are uniform in composition
both are mixtures
both are made up of only one kind of atom
8
What is common between solutions and compounds?
both have fixed ratio
both are pure substances
both are homogeneous
both are mixtures
9
Which is correctly paired according to its type of mixture?
brass -> suspension
sand in water -> colloid
milk -> solution
rubbing alcohol -> solution
10
Which of the following is FALSE about pure substance?
has uniform/unchanging composition
only made up of one type of atom or molecule
can be broken down by simple physical processes
homogeneous in nature