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Chemistry

Chemistry
The metal present in vitamin B12 is

Mg
Mo
Co
Fe

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Chemistry
Silk fibre chemically is :

Cellulose
Protein
Fat
Carbohydrate

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Chemistry
The orientation of an atomic orbital is governed by

Spin quantum number
Azimuthal quantum number
Magnetic quantum number
Principal quantum number

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Chemistry
Commercially, sodium bicarbonate is known as

Soda ash
Washing soda
Bleaching powder
Baking soda

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Chemistry
Which gas emitted by power stations causes acid rain?

Sulphur dioxide
Nitrogen
Helium
Carbon dioxide

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Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Copper
Iron
Zinc
Aluminium

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MORE MCQ ON Chemistry

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