By volume, 78% of air is _______________
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Select the INCORRECT set of Molecular Formula - IUPAC Name - Common Name from the following options.
Who has been appointed as the Secretary General of the United Nations in January, 2017?
Black soil is also known by which of the following name ?
A famous Shiva temple, Pashupatinath is in
Which of the following is the cleanest source of energy?
Bulb is a modification of which part of a plant?
In 1981, ISRO launched India's first geostationary satellite called -