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Chemistry

Chemistry
The gas liberated in the Bhopal gas tragedy was:

Methyl isocynate
Ethylene
Acetylene
Pheynl isocynate

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Chemistry
Which of the following has no unit

Excitation potential
Ionization energy
Electronegativity
Electron affinity

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Chemistry
Which one of the following contains maximum percentage of carbon ?

Cast iron
Wrought iron
High speed steel
Stainless steel

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Chemistry
Cooking gas is a mixture of

Carbon monoxide and carbon dioxide
Butane and propane
Carbon dioxide and oxygen
Methane and ethylene

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Chemistry
The heaviest naturally occurring element is:

Uranium
Mercury
Polonium
Thorium

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Chemistry
The metal ion present in Vitamin B12 is

Nickel
Iron
Cobalt
Zinc

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MORE MCQ ON Chemistry

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