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Chemistry

Chemistry
Hardest allotrope of carbon is

Coke
Lamp black
Graphite
Diamond

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Chemistry
Solder metal is an alloy of

Copper and tin
Copper and zinc
Lead and tin
Lead and antimony

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Chemistry
Which of the following is used to make light weight, but strong plastic ?

Polyvinyl Chloride
Methyl Methacrylate
Polythene
Nylon

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Chemistry
Most poisonous pollutant in water is

Detergent
Phosphate
Arsenic
Zinc

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Chemistry
Which one of the following is used to restore the colour of old oilpaintings ?

Barium peroxide
Hydrogen peroxide
Ozone
Sodium peroxide

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Chemistry
In a period from Li to F, ionisation potential

Decreases
Increases
Remains same
Cannot be predicted

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MORE MCQ ON Chemistry

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