___ is not a chemical change.
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WHICH OF THE FOLLOWING IS not A RENEWABLE SOURCE OF ENERGY?
Chinese spacecraft Chang’e 5 has returned to the Earth, carrying samples from which astronomical body?
The Shanti Swarup Bhatnagar Prize is annually awarded for outstanding achievement in which area?
Which South Korean author in May 2016 won the 2016 Man Booker International Prize for her novel 'The Vegetarian'?
What is the number of atoms constituting a molecule known as?
If price of an article decreases from Rs 40 to Rs 30, quantity demanded increases from Q1 units to 7500 units. If point elasticity of demand is -1 find Q1?
Glaciers are formed by