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Chemistry

Chemistry
Muscle fatigue is caused by the accumulation of :

Uric acid
Lactic acid
Pyruvic acid
Oxalacetic acid

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Chemistry
Nitrogen is an essential constituent of all :

Carbohydrates
Proteins
Fats
Vitamins

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Chemistry
A powerful eye irritant present in smog is

Carbon dioxide
Nitric oxide
Sulphur dioxide
Peroxyacetyl nitrate

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Chemistry
Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?

Propane
Methane
Butane
Ethane

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

Evapotranspiration
Effluents
Aquatic macrophytes
Auatic fungi

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Chemistry
Which type of radiations are absorbed by the upper layer of the atmosphere?

Infrared
Radio-waves
Ultraviolet
Visible

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