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Chemistry

Chemistry
Which of the following alloy is used in making magnet ?

Magnalium
Stainless steel
Alnico
Duralumin

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Chemistry
The monomers of dacron are

Decanone and decanol
Ethylene glycol and terephthalic acid
Decane and decanol
Ethylene glygol and phthalic acid

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Chemistry
The gas involved in Bhopal incident was

Nitrogen dioxide
Hydrogen sulphide
Methyl chloride
Methyl isocyanide

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Chemistry
The most electronegative element among the following is

oxygen
sodium
fluorine
bromine

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Chemistry
Malathion is a/an

Preservative
Insecticide
Fumigant
Pesticide

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Chemistry
The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?

0.01 minute
3 billion years
13 days
100 years

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