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ECS Ch3 Sec2 Compounds
Test Description: All about compounds
Instructions: Answer all questions to get your test result.
1) A substance made up of atoms of two or more different elements joined by chemical bonds
A
Compound
B
Mixture
C
Element
D
Solution
2) Which is an example of a compound?
A
Iron
B
Carbon
C
Carbon Dioxide
D
Oxygen
3) How can a Compound be broken down?
A
By both Physical and Chemical Changes
B
By Chemical Changes
C
A Compound Cannot be Broken Down
D
By Physical Changes
4) The elements in a compound
A
join by physical changes.
B
Join in a specific ratio according to their masses.
C
Do not join in a specific ration.
5) Which of the following best describes chicken noodle soup?
A
solution
B
element
C
compound
D
mixture
6) Which of the following substances can only be separated into simpler substances only by chemical means?
A
water
B
gold
C
salt water
D
Sodium
7) In which classification of matter are components chemically combined?
A
a colloid
B
a suspension
C
a compound
D
a solution
8) A substance that cannot be separated or broken down into simpler substances by chemical means
A
Solution
B
element
C
Mixture
D
Compound
9) A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
A
Pure substance
B
Solution
C
Compound
D
Mixture
10) A combination of tow or more substances that are not chemically combined
A
Compound
B
Atom
C
Mixture
D
Element
*select an answer for all questions
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