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Chemistry Exam I questions and answers

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answers Which of the following is a property of both gases and liquids? A. Definite shape B. Indefinite shape C. Definite volume D. Indefinite volumeB In which of the following pairs of properties are both properties chemical properties? A. Freezes at 10°C and nonflammable B. Decomposes at 500°C and reacts with bromine C. Poor conductor of heat and is reddish brown in color D. Has a low density and is very hardB When a substance undergoes a chemical change it is always true that A. It liquefies B. It changes from a solid to a gas C. It is converted to a new kind of matter with a different composition

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Chemistry Exam I questions and
answers
Which of the following is a property of both gases and liquids?


A. Definite shape
B. Indefinite shape
C. Definite volume

D. Indefinite volume✔✔B


In which of the following pairs of properties are both properties chemical properties?


A. Freezes at 10°C and nonflammable
B. Decomposes at 500°C and reacts with bromine
C. Poor conductor of heat and is reddish brown in color

D. Has a low density and is very hard✔✔B


When a substance undergoes a chemical change it is always true that


A. It liquefies
B. It changes from a solid to a gas
C. It is converted to a new kind of matter with a different composition

D. The temperature of the substance increases✔✔C


The description "two substances present, two phases present" is correct for


A. Heterogeneous mixtures
B. Homogeneous mixtures
C. Elements

D. Compounds✔✔A

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