Air is a/an
A) element.
B) compound.
C) mixture.
D) molecule.
E) pure substance.
Correct Answer:
Verified
Q61: Which of the following is an example
Q62: Which one of the following is an
Q63: Round 0.052018 to three significant figures.
A)0.05
B)0.052
C)0.0520
D)0.05201
E)0.05202
Q64: What Kelvin temperature corresponds to 98.6°F?
A)310 K
B)310.2
Q65: Which of the following is FALSE concerning
Q67: Which of the following is a chemical
Q68: What Celsius temperature corresponds to -4.6°F?
A)-20°C
B)-20.3°C
C)-23.0°C
D)-10.9°C
E)-68.4°C
Q69: Which temperature scale does not use a
Q70: The speed of light is 186,000 miles
Q71: Select the answer that best expresses the
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