The common name of dichlorodifluoromethane is _____.
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........... is not a sub atomic particle of an atom.
Atomic number of which of the following elements is greater than that of Copper?
Which among the following metal is used for galvanization?
There are ............ metalloids in the modern periodic table.
Name the acid present in lemon.
What is the process of rust forming on iron called?
Trinitrotoluene is