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Chemistry

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

Industrial waste
Sullage
Garbage
Sanitary waste

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Chemistry
Greenhouse effect is caused by

Nitrogen
Carbon monoxide
Nitrogen dioxide
Carbon dioxide

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Chemistry
The quality of petrol is expressed in terms of

Cetane number
Added unlead compounds
Octane number
Gold number

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Chemistry
Zinc sulphide is commonly used as

Herbicide
Fungicide
Rodenticide
Deodorant

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Chemistry
Bleaching powder is used in drinking water as a/an

Antiseptic
Coagulant
Disinfectant
Antibiotic

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Chemistry
Who developed the model of atomic structure ?

Faraday
Alfred Nobel
Bohr and Rutherford
Volta

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