For which of the following is it necessary that there be a definite composition which cannot vary?
A) mixture
B) solution
C) compound
D) colloid
Correct Answer:
Verified
Q19: Which term describes energy?
A) motion
B) heat
C) light
D)
Q20: Which of the following elements is a
Q21: How would you separate a mixture of
Q22: What prefix is the largest?
A) mega
B) centi
C)
Q23: Potential energy is defined as
A) heat energy.
B)
Q25: The quantity 10-9 (one billionth) is designated
Q26: Which of the following is not a
Q27: Which of the following would convert 15
Q28: Which state of matter is composed of
Q29: How many chemical formulas are in
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