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Chemistry

Chemistry
Citric acid is present in free form in

Milk
Tamarind
Lemon
Apple

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Chemistry
Ultraviolet rays can be used in water treatment as

Flocculator
Precipitator
Hydrolyser
Disinfectant

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Chemistry
Bridgmanite is

A bridge on the river Thames
Name of a music
Name of a game
Earth’s most abundant minera

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Chemistry
When a spoon is to be electroplated with nickel the spoon is

Made cathode and a pure nickel red, the anode
Dipped in a nickel sulphate solution
Made anode and a pure nickel rod, the cathode
Coated with nickel sulphate and dried

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Chemistry
The octane number of zero is assigned to

2-methyl octane
3-methyl octane
n-heptane
iso-octane

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Chemistry
Earth’s atmosphere is an envelope of gases extending to a height of

300 km
200 km
150 km
100 km

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MORE MCQ ON Chemistry

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