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Chemistry

Chemistry
The metal present in vitamin B12 is

Co
Fe
Mg
Mo

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Chemistry
Aspirin is common name of

Salicylate
Salicylic Acid
Methyl Salicylate
Acetyl Salicylic Acid

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Chemistry
The strongest acid of the following is

O-nitrophenol
P-nitrophenol
P-chlorophenol
M-nitrophenol

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Chemistry
Physico-chemical characteristics of water in water sources undergo changes due to

Effluents
Evapotranspiration
Auatic fungi
Aquatic macrophytes

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Chemistry
Among the fuels given below, the one with highest calorific value is

Coal
Natural gas
Wood
Coke

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Chemistry
Rock salt is a mineral containing

Sodium
Potassium
Iron
Magnesium

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MORE MCQ ON Chemistry

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