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General Science

General Science
The isotope of uranium capable of sustaining chain reaction is

U-238
U-239
U-235
U-245

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General Science
The age of most ancient geological formations is estimated by

C14 method
Potassium - argon method
Uranium - lead method
Ra - Si method

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General Science
Balloons are filled with

Argon
Oxygen
Nitrogen
Helium

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General Science
In an atomic nucleus, neutrons and protons are held together by:

Gravitational forces
Magnetic forces
Coulombic forces
Exchange forces

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General Science
Tetraethyl lead is used as

Pain Killer
Fire Extinguisher
Mosquito Repellent
Petrol Additive

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General Science
The property of a substance to absorb moisture from the air on exposure is called

Efflorescence
Desiccation
Deliquescence
Osmosis

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MORE MCQ ON General Science

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