Q. Which one of the following polymers is used for making bulletproof material?
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Q. Potassium Permanganate is used for purifying drinking water, because_________
Q. Nucleus of an atom consists of.
Q. Iron filings can be separated from a heterogeneous mixture using the technique of
Q. Temporary hardness is due to the presence of
Q. Which component is used to harden the rubber in the vulcanization process?
Q. Sodium carbonate crystal lose water molecules this property is called
Q. The coating of a thin layer of zinc on steel or iron objects is known as
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