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Chemistry

Chemistry
Natural rubber is the polymer of :

Styrene
Ethylene
Butadiene
Isoprene

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Chemistry
Iron and manganese present as pollutants in water cannot be removed by________

Ion exchange process
Lime soda process or manganese zeolite process
Chlorination
Oxidation followed by settling and filtration

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Chemistry
The oxidation number of nickel in K4[Ni(CN)4] is

Zero
4
–4
8

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Chemistry
Gypsum is used for improvement of:

Saline soils
Acidic soils
Podsols
Alkaline soils

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Chemistry
Peroxyacetyl nitrate is a

Vitamin
Secondary pollutant
Plant hormone
Acidic dye

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Chemistry
Aerated water contains

SO2
CO2
H2
NO2

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MORE MCQ ON Chemistry

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