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General Science

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

Helium
Krypton
Xenon
Neon

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General Science
Which among the following is a positively charged particle emitted by a radioactive element?

Beta ray
Gamma ray
Cathode ray
Alpha ray

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General Science
The gases used in different types of welding would include

Oxygen and Acetylene
Oxygen and Hydrogen
Oxygen, Hydrogen, Acetylene and Nitrogen
Oxygen, Acetylene and Argon

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General Science
Isotopes are separated by:

Filtration
Sublimation
Crystallisation
Distillation

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General Science
Water is a good solvent of ionic salts because

It has a high boiling point
It has a high dipole moment
It has a high specific heat
It has no colour

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General Science
In vulcanisation, natural rubber is heated with

Sulphur
Phosphorous
Silicon
Carbon

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