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Related MCQs
The freezing point of pure water in Fahrenheit is:
A.
0°F
B.
18°F
C.
32°F
D.
47°F
Correct answer is:
C. 32°F
Which of the following is an example of a mineral acid?
A.
Acetic acid
B.
Citric acid
C.
Sulfuric acid
D.
Tartaric acid
Correct answer is:
C. Sulfuric acid
Normal human body temperature 98.6°F corresponds to:
A.
55°C
B.
42°C
C.
37°C
D.
None of these
Correct answer is:
C. 37°C
Ozone depletion is mainly caused by which chemicals?
A.
Carbon dioxide
B.
Chlorofluorocarbons (CFCs).
C.
Nitrogen gas
D.
Methane
Correct answer is:
B. Chlorofluorocarbons (CFCs).
Ripening of fruits requires what natural plant:
A.
Enzymes
B.
Water
C.
Hormones
D.
Sunlight
Correct answer is:
C. Hormones