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Chemistry

Chemistry
White lung cancer' is caused by

Asbestos
Textiles
Silica
Paper

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Chemistry
Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ?

Hardness
Alkalinity
Acidity
Eutrophication

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Chemistry
When a lead storage battery is discharged,

Lead is formed
Sulphuric acid is consumed
SO2 is evolved
Lead sulphate is consumed

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Chemistry
The element which is used for vulcanizing rubber

Phosphorus
Bromine
Silicon
Sulphur

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Chemistry
The structure of NaCl crystal is

Body centered cubic
Square planar
Face centered cubic
Octahedral

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Chemistry
The gas used in the manufacture of vanaspati from vegetable oil is

carbon dioxide
nitrogen
hydrogen
oxygen

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