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Download in pdf Chemistry multiple choice questions(mcqs) & answers. These general awareness quiz objective questions answers include mcqs on enzyme, atom bomb etc.
(11)
Which enzyme converts glucose to ethyl alcohol ?
[A]
Invertase
[B]
Maltase
[C]
Zymase
[D]
Diastase
Comment
(12)
Who developed atom bomb ?
[A]
Warner Wan Brown
[B]
J. Robert Openheimer
[C]
Edward Taylor
[D]
Samuel Koehen
Comment
(13)
The acid used in lead storage cells is :
[A]
phosphoric acid
[B]
hydrochioric acid
[C]
nitric acid
[D]
sulphuiric acid
Comment
(14)
Soap is prepared by boiling caustic soda with which of the following ?
[A]
Alcohol
[B]
Kerosene oil
[C]
Glycerine
[D]
Fats
Comment
(15)
Bronze is an alloy of :
[A]
copper and Zinc
[B]
Tin and Zinc
[C]
Copper and Zinc and Tin
[D]
Iron and Zinc
Comment
(16)
The natural sources of hydrocarbon is :
[A]
Crude oil
[B]
Biomass
[C]
Carbohydrates
[D]
None of these
Comment
(17)
Which among the following metals provide amphoteric oxide ?
[A]
Sodium
[B]
Silver
[C]
Aluminium
[D]
Calcium
Comment
(18)
Which among the following is pure matter ?
[A]
Carbon-dioxide
[B]
Brass
[C]
Air
[D]
Iron
Comment
(19)
Quartz is made of which of the following ?
[A]
Calcium Sulphate
[B]
Calcium Silicate
[C]
Sodium Sulphate
[D]
Sodium Silicate
Comment
(20)
Galvanised iron is made by coating iron with :
[A]
Zinc
[B]
Nickel
[C]
Chromium
[D]
Lead
Comment
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