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Chemistry

Chemistry
The metal present in vitamin B12 is

Co
Mo
Mg
Fe

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Chemistry
Which of the following is used to increase the anti-knocking property of petrol ?

Trimethyl lead
Triethyl lead
Tetramethyl lead
Tetraethyl lead

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Chemistry
Which one is the simplest form of alkane

Methane
Butane
Decane
Propane

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Chemistry
The product, 9-nitroanthracene is obtained from anthracene by the action of

Nitric acid and acetic anhydride
Nitric acid in excess
Nitric acid and ethyl alcohol
Nitric acid and acetic acid

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Ni
Cu
Pt
Pb

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Chemistry
The substance which does not expand on going from liquid state to solid state is

Water
Aluminium
Type metal
Cast-iron

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MORE MCQ ON Chemistry

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