1.
Hydrogen, chloride gas is a / an
2.
Stainless is an alloy of
3.
Which one of the following pair is Not correctly matched?
4.
Which one of the following under goes polymerisation to form a plastic?
5.
The tendency of similar molecules to stick together is known as
6.
Diamond is chemically
7.
The element used in lead pencils is
8.
Air contains what percentage of oxygen?
9.
Riboflavin is a / an
10.
Which one of the following metals does not form amalgams?
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