Metals react with sodium hydroxide to produce ___________.
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Which gas is released when water is added to bleaching powder?
Pyrolusite is an ore/mineral of ___________.
Pentlandite is an ore/mineral of _______.
Which molecule contains a polar covalent bond?
Aromatic hydrocarbons contain at least _____ benzene like ring in their molecules.
The property of metals by which they can be beaten into thin sheets is called _______________.
______ character of a bond between two atoms is greater if the difference in their electro negativities is lesser.
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