A pure substance which can be decomposed into two or more pure substances is a(n)
A) element
B) mixture
C) compound
D) atom
Correct Answer:
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Q1: Alfred Nobel _?
A) discovered dynamite
B) proposed the
Q2: Sublimation is a characteristic physical property of
A)
Q3: Which mixture is heterogeneous?
A) salt and water
B)
Q4: Which of the following sets, is a
Q12: Which of the following is one of
Q14: The element whose name is derived from
Q15: The symbol for magnesium is
A) Ma
B) Mg
C)
Q16: What information is not provided by the
Q19: Which term describes energy?
A) motion
B) heat
C) light
D)
Q20: Which of the following elements is a
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