1.
A mixture that consists of different components is called
2.
Free radicals are electrically
3.
The empirical formula for water is
4.
Hair contains keratin proteins which are also present in nails and wool is an example of
5.
The natural force that holds together elements together is called
6.
If 9.05 moles of ozone is formed in a storm then the mass of ozone is
7.
Ca on losing 2 electrons becomes
8.
Biochemistry deals with
9.
The mass number of an atom is
10.
A mole of any substance contains
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