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Chemistry

Chemistry
Gypsum is used for improvement of:

Saline soils
Acidic soils
Podsols
Alkaline soils

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Chemistry
The Fungus which is used in the alcohol industry is

Candida Aibicans
Rhizopus
Yeast
Mushroom

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Chemistry
The chief source for the production of nitrogeneous fertilizers is :

Nitrogen dioxide
Ammonia
Nitrogen
Nitric acid

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Chemistry
Most poisonous pollutant in water is

Arsenic
Zinc
Detergent
Phosphate

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Chemistry
Which one of the following is known as the 'brown coal'?

Bituminous
Anthracite
Coke
Lignite

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Chemistry
What is used in storage batteries?

Zinc
Copper
Tin
Lead

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