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Chemistry

Chemistry
Which is not a green house gas ?

CH4
Chlorofluorocarbons
N2O
CO2

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

Hardness
Alkalinity
Eutrophication
Acidity

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Chemistry
Physico-chemical characteristics of water in water sources undergo changes due to

Effluents
Aquatic macrophytes
Auatic fungi
Evapotranspiration

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Chemistry
________ is a by product of sewage treatment and can be decomposed to produce biogas

Sewer
Sludge
Scum
Sewage

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Chemistry
Which one of the following acids is used in battery ?

Hydrochloric acid
Hydrofluoric acid
Sulphuric acid
Sulphurous acid

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Chemistry
Sea weeds are important source of

Bromine
Iron
Iodine
Chlorine

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MORE MCQ ON Chemistry

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