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Chemistry

Chemistry
The most malleable metal is

iron
platinum
silver
gold

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Chemistry
Aquaregia is a mixture of the following in the ratio 1 : 3 by volume

Conc. HCl and conc. HNO3
Conc. HNO3 and conc. HCl
Conc. HNO3 and conc. H2SO4
Dil. HCl and dil. HNO3

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Chemistry
Which one of the following organic compound is used to remove stains of iron compounds?

Oxalic acid
Phthalic acid
Cinnamic acid
Benzoic acid

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Chemistry
Photo-oxidation process is initiated by

Oxygen
Catalyst
Heat
Light

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

Phenol + terepineol
O-chlorophenoxylenol + terepineol
O-cresol + terepineol
Chloroxylenol + terepineol

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Chemistry
The natural source of hydro-carbon is

Coal
Biomass
Carbohydrates
Crude oil

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MORE MCQ ON Chemistry

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