What is the other name of sodium carbonate?
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Which of the following is an amphoteric oxide?
The most active ingredient in bleaching powder is
Which of the following is Study of fossils ?
__________ acts as a shield absorbing ultraviolet radiation from the sun.
Panthera Tigris is the scientific name of
Under which Article of Indian Constitution, a person can move to a High Court if his Fundamental Rights are breached?
In India which of the following taxes is levied by the State governments?