Methane contributes towards global warming so it is called a _________________ gas.
Which of the follow is the last element in Newlands Law of Octaves classification?
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By which of the following processes are metals of high reactivity extracted from purified molten ore?
How many atoms are present in a (NH4)2SO4 molecule?
In Mendeleev's periodic table, the properties of the elements are considered a periodic function of their:
Which gas is released when water is added to bleaching powder?
Atoms of same element having different mass numbers are called__________
Decane has how many hydrogen atoms?
_______________ of a material is defined as the minimum amount of the work necessary to remove a free electron from the surface of the material.
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