Harmful bacteria in potable water make the water
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CuO + H2 ---> Cu + H2O. This equation is an example of
There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?
___________ is a hormone that regulates the amount of glucose in the blood.
There are total _________ parliamentary seats (Lok Sabha constituency) in West Bengal.
Which of the following physical quantity measures the rate of work done?
As per the 2016-17 Budget, the largest source of money to the Government of India is
Which country built the Bird's Nest Stadium for 2008 Summer Olympics?