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Chemistry

Chemistry
The metal present in vitamin B12 is

Fe
Mg
Mo
Co

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Chemistry
The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas

Remains unchanged
Will be doubled
Will increase four-fold
Will be reduced to half

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Chemistry
The antiseptic compound present in dettol is

Enloroxylenol
Iodine
Biothional
Cresol

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Chemistry
The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind?

1/8
1/3
1/6
1/4

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Chemistry
Chemically ‘Quick Silver is known as

Aluminium
Silver
Mercury
Copper

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Chemistry
Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure

Bromine
Magnesium
Barium
Lead

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MORE MCQ ON Chemistry

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