A pure substance _______
A) must be composed of atoms of the same type.
B) cannot be separated into simpler substances by physical means.
C) must be a compound.
D) has different chemical properties depending on its source.
E) can have a composition that varies from sample to sample.
Correct Answer:
Verified
Q3: An element _
A)can be separated into its
Q4: Which of the following does NOT illustrate
Q5: For a hypothesis to be considered a
Q6: Which of the following is NOT an
Q7: Table sugar (sucrose, C12H22O11) dissolves in water.This
Q9: According to the law of definite proportions,_
A)atoms
Q10: Which of the following is a homogeneous
Q11: Which of the following statements is NOT
Q12: Which of the following illustrates the law
Q13: Which of the following is NOT a
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