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Chemistry

Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Invertase
Maltase
Zymase
Diastase

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Chemistry
Baryllium Sulphate is less soluble in water due to

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

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Chemistry
Chemical properties of isotopes

Need not be different
Must be same
Need not be same
Must be different

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Chemistry
Oxide of sulphur present in the atmosphere are washed down by rains to cause :

Eutrophication in lakes
Depletion of fossil fuel reserves
Industrial smog formation
Lowering of pH of soil

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Chemistry
Which of the following pollutants is main product of automobile exhaust ?

NO
Hydrocarbons
CO
CO2

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Chemistry
In arc welding, Argon is used because of its

High flammability
Ability to lower the melting point of the metal
Low reactivity with metal
High calorific value

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MORE MCQ ON Chemistry

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