For purifying drinking water alum is used
In purifying drinking water alum is used for coagulation of mud particles.
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The objective of ____________ is to make India a global information technology superpower.
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Which among the following planets is smaller than the Earth
A particle which is similar to electron is
Isotopes of an element have ______.
The first Indian who was choosen as the secretary general of commonwealth is
What drink was invented by Charles Leiper Grigg in 1929?
‘Swachh Bharat Mission’ aims to achieve an Open Defecation Free (ODF) India by which date?