AP QUIZZES - AP TOPIC 1 Matter & Measurement SET E
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QUESTION 1. What is always true of a compounds' composition?

(A) It varies
(B) It can be homogeneous or heterogeneous
(C) It is fixed
(D) It can change from one sample to the next
(E) None of the above

QUESTION 2. All pure substances are?

(A) Elements or Mixtures
(B) Compounds or Mixtures
(C) Elements or Compounds
(D) Elements or Compounds or Mixtures
(E) Only Mixtures

QUESTION 3. Which set of data is most PRECISE?

(A) 1.01, 1.01, 1.03
(B) 1.01, 1.01, 1.01
(C) 1.01, 1.02, 1.01
(D) 1.01, 1.01, 1.02
(E) 1.01, 1.03, 1.04

QUESTION 4. How might a chemical change be recognized?

(A) Melting
(B) Freezing
(C) A mixture changing composition
(D) A heterogeneous mixture becoming a homogeneous mixture
(E) The formation of new compounds or elements

QUESTION 5. The prefix Kilo denotes raising 10 to which of the following powers?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5



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