For purifying drinking water alum is used
In purifying drinking water alum is used for coagulation of mud particles.
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Which among the following planets is smaller than the Earth
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Who was the first woman to reach the north pole?
Ann Bancroft was the first woman to reach the north pole.
The first Indian who was choosen as the secretary general of commonwealth is
Which of the following is NOT a waste material removed from blood in the kidney?
A particle which is similar to electron is
What drink was invented by Charles Leiper Grigg in 1929?
Who was the first person to patent the JET ENGINE?
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