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Chemistry

Chemistry
Which one of the following is found in Vinegar ?

Formic acid
Butyric acid
Propionic acid
Acetic acid

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Chemistry
The metal present in vitamin B12 is

Mg
Co
Mo
Fe

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Chemistry
Bone ash contains

Calcium sulphate
Calcium hypophosphate
Phosphoric sulphate
Calcium phosphate

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Chemistry
The element with highest ionization potential is

Carbon
Helium
Boron
Oxygen

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Chemistry
Vulcanization of rubber is carried out by adding

Carbon
Ozone
Sulphur
Phosphorus

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Chemistry
In which of the following states maximum iron ore is found ?

FeCO3
Fe2O3
Fe3O4
FeS2

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