ECS Ch3 Sec2 Compounds Question Preview (ID: 27536)
All About Compounds.
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A substance made up of atoms of two or more different elements joined by chemical bonds
a) Compound
b) Element
c) Mixture
d) Solution
Which is an example of a compound?
a) Carbon
b) Oxygen
c) Iron
d) Carbon Dioxide
How can a Compound be broken down?
a) By Physical Changes
b) By Chemical Changes
c) A Compound Cannot be Broken Down
d) By both Physical and Chemical Changes
The elements in a compound
a) Join in a specific ratio according to their masses.
b) Do not join in a specific ration.
c) join by physical changes.
d)
Which of the following best describes chicken noodle soup?
a) element
b) mixture
c) compound
d) solution
Which of the following substances can only be separated into simpler substances only by chemical means?
a) Sodium
b) salt water
c) water
d) gold
In which classification of matter are components chemically combined?
a) a solution
b) a colloid
c) a compound
d) a suspension
A substance that cannot be separated or broken down into simpler substances by chemical means
a) Compound
b) element
c) Solution
d) Mixture
A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
a) Pure substance
b) Compound
c) Solution
d) Mixture
A combination of tow or more substances that are not chemically combined
a) Atom
b) Element
c) Compound
d) Mixture
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