The purest form of iron is
Wrought Iron is the purest form of iron. It contains 0.12 to 0.25% carbon and so it is the purest form of iron.
Which is the most economical method of removing solid matter from water?
Which of the following elements has the lowest melting point?
NaHCO3 is chemical formula for ___________.
A change in which no new substances are formed is called _____________.
Which of the following is the best fire-extinguisher?
Which of the following statements are CORRECT?
I. Melamine is a Thermo setting plastic.
II. It resists fire.
III It is a poor conductor of heat.
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
The common name of dichlorodifluoromethane is _____.
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