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Chemistry

Chemistry
The sewage obtained from water closets and urinals is known as

Sanitary waste
Garbage
Sullage
Industrial waste

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Chemistry
The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

5x/36
x/6
7.2 x
5x

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Chemistry
Black lung disease occurs in people working in

Electroplating industry
Coal mines
Paint manufacturing industry
Organic solvents industry

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Chemistry
The material known in commerce as Terylene is a

Modified natural fibre
Synthetic fibre
Natural fibre
Blend of cotton and silk

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Chemistry
Aqueous solution of which of the following is a good conductor of electricity

Glucose
Ammonium acetate
Ammonia
Acetic acid

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Chemistry
If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by

Iron
Arsenic
Mercury
Lead

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