CuO + H2 ---> Cu + H2O. This equation is an example of
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How many groups and periods are present in the Modern Periodic Table?
According to an early Indian philosopher everything is made up of ___ basic elements.
Which of the following is the largest mammal?
In 1981, ISRO launched India's first geostationary satellite called -
Which out of the following is not a launch vehicle of India for placing satellites in the orbit?
President of India can be removed from his office by
In a food chain, what is the difference between primary consumers and secondary consumers?