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Everyday Science Quiz
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Heating element of an electric heater is made up of
A) Tungsten
B) Graphite
C) Nichrome
D) None
Coke is made by heating coal in the absence of air at:
A) 700 C
B) 900 C
C) 1300 C
D) None
In blood, the percentage of water is
A) 75%
B) 85%
C) 90%
D) None
Which of the following is involved in blood clotting,
A) Sodium
B) Magnesium
C) Calcium
D) None
For water purification, we use
A) Chlorine
B) Bromine
C) Fluorine
D) None