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Chemistry

Chemistry
Nitrogen is an essential constituent of all :

Proteins
Vitamins
Fats
Carbohydrates

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Chemistry
The coloured discharge tubes for advertisement mainly contain

Xenon
Argon
Helium
Neon

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Chemistry
Among the following, carbonate ore of Zinc is

Zincite
Calamine
Zincblende
Sphalerite

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Chemistry
Chemical name of bleaching powder is :

Calcium chloro hypochlorite
Calcium bi chloride
Calcium hypochlorite
Calcium chlorate

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Chemistry
The advantage of detergents over soaps is

Detergents give lather even with hard water
Detergents could not give much lather
Detergents are soluble in water
Soaps give lather with only soft water

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Chemistry
The hottest part of the gas flame is known as

luminous zone
dark zone
non-luminous zone
blue zone

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MORE MCQ ON Chemistry

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