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Chemistry

Chemistry
A matured mammalian cell without nucleus is

Lymphocyte
Spermatozoan
Erythrocyte
Oocyte

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

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

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Chemistry
Nitrification is the biological process of converting

Ammonia into N2
N2into nitrite
Ammonia into nitrite
N2 into nitrate

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Chemistry
The resources which can be used continuously, year-after -year are called

Biotic
Abiotic
Non-renewable
Renewable

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Chemistry
Soap is prepared by boiling caustic soda with

Alcohol
Fats
Kerosene oil
Glycerine

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Chemistry
This group of alumino-silicate minerals is widely used in making electrical insulators

Bauxite
Manganese
Chromite
Mica

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