Multiple Choice
Which of the following is true of a compound
A) A compound is a substance composed of atoms of two or more elements chemically united in a fixed ratio.
B) A compound is a substance that cannot be separated into simpler substances by chemical means.
C) A compound is combination of two or more substances in which the substances retain their distinct identities.
D) A compound must be heterogeneous.
E) A compound must be a solid at room temperature.
Correct Answer:

Verified
Correct Answer:
Verified
Q96: Give the correct number of significant figures
Q97: What will be the cost of gasoline
Q98: A special flask used in the
Q99: Iron has a density of 7.87 g/cm<sup>3</sup>.
Q100: Of the following which is NOT a
Q102: An automobile engine has a piston displacement
Q103: Alcohol evaporating is a physical change.
Q104: If a car has an EPA mileage
Q105: The diameter of Earth is 12.7 Mm.
Q106: Convert 7.2 cm<sup>3</sup> to mm<sup>3</sup>.<br>A) 7.2 x