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Chemistry

Chemistry
The chief constituent of vinegar is

Acetic acid
Salycylic acid
Formic acid
Oxalic acid

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Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

H2SO4
HF
HCl
HNO3

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Chemistry
The luster of a metal is due to

presence of free electrons
its high density
its chemical inertness
its high polishing

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Chemistry
In the electroplating of gold, the electrolyte used is

Gold nitrate
Gold sulphate
Gold chloride
Potassium aurocyanide

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Chemistry
The inert gas used as beacon light is

Kr
He
Ne
Ar

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Chemistry
Among the following iron ores, the highest percentage of iron content is found in–

Limnonite
Haemetite
Magnetite
None of these

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