An element A forms an oxide with formula A3O4. What is the valency of element A?
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The second Green Revolution aims at increasing agricultural output to promote
In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.
Laconic
Which of these is India's National Anthem?
Which of the following is a free encyclopedia, written collaboratively by the people who use it?
Which article can be used by The President of India to declare financial emergency?
What is the SI unit of temperature?
If ice floating on water in a vessel melts, the water level in the vessel _______.