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General Science

General Science
Tetraethyl lead is used as

Pain Killer
Mosquito Repellent
Petrol Additive
Fire Extinguisher

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General Science
Permanent hardness of water can be removed by adding

Chlorine
Bleaching Powder
Washing Soda
Potassium Permanganate

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General Science
How does common salt help in separating soap from the solution after saponification?

By increasing solubility of Soap
By increasing density of Soap
By decreasing solubility of Soap
By decreasing density of Soap

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General Science
Which is the absolute temperature scale?

Celsius
Kelvin
All of these
Fahrenheit

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General Science
Which of the following was to be discovered first in the chromospheres of the sun?

Krypton
Xenon
Neon
Helium

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General Science
Which of the gas is not known as green house gas?

Carbon dioxide
Methane
Hydrogen
Nitrous oxide

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MORE MCQ ON General Science

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