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Chemistry

Chemistry
What is the chemical symbol of mercury

Mg
Mr
Hg
None of these

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Chemistry
Which of the following is used to denature ethanol ?

Methane
Phenol
Propyl alcohol
Methyl alcohol

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Chemistry
Galvanization is the :

Deposition of tin on iron
Deposition of copper on iron
Deposition of zinc on iron
Deposition of aluminium on iron

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Chemistry
Which one of the following mineral does not contain oxygen ?

Bauxite
Haematite
Calcite
Cryolite

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Chemistry
In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by :

Increasing the concentration of a reactant
Increasing the concentration of a product
Increasing the temperature
Adding a catalyst

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Chemistry
The metal present in vitamin B12 is

Mo
Mg
Fe
Co

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MORE MCQ ON Chemistry

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