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Chemistry

Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Invertase
Zymase
Diastase
Maltase

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Chemistry
The mass number of an atom is equal to

the number of protons
the number of protons and electrons
the number of nucleons
the number of neutrons

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Chemistry
The ore which is found in abundance in India is

bauxite
fluorspar
monazite
magnetite

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Chemistry
The depletion in Ozone layer is caused by ________ .

Carbon dioxide
Methane
Nitrous oxide
Chlorofluorocarbons

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Chemistry
The most important ore of aluminium is

haematite
bauxite
magnetite
monazite

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Chemistry
Baryllium Sulphate is less soluble in water due to

Low inflammable energy
Low Energy of dissociation
Lonic band
High inflammable energy

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MORE MCQ ON Chemistry

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