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Chemistry

Chemistry
Silk fibre chemically is :

Fat
Protein
Carbohydrate
Cellulose

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Chemistry
Brass is made of

Copper, tin and zinc
Tin and lead
Copper and zinc
Copper and tin

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Chemistry
The natural source of hydro-carbon is

Coal
Carbohydrates
Biomass
Crude oil

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Chemistry
The monomers of dacron are

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

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Chemistry
Which gas is used as fire extinguisher ?

Carbon suboxide
Sulphur dioxide
Carbon dioxide
Carbon monoxide

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Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O-2
O+2
O2
O-22

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MORE MCQ ON Chemistry

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