set 3 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 4 EXERCISES
The following question based on alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases topic of general science mcq
(a) Heavy Hydrogen + Heavy Oxygen
(b) Hydrogen + New Oxygen
(c) Oxygen + Heavy Hydrogen
(d) Hydrogen + Oxygen
The correct answers to the above question in:
Answer: (c)
Practice alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases (set 3) Online Quiz
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Read more chemistry gk quiz Based General Science Questions and Answers
Question : 1
Which gas is usually filled in the balloon?
a) Oxygen
b) Carbon dioxide
c) Hydrogen
d) Helium
Answer »Answer: (d)
Question : 2
Which of these is not an additional form of Carbon?
a) Fullerenes
b) Diamond
c) Graphite
d) Oxocarbon
Answer »Answer: (d)
Question : 3
Which one of the following catalysts is used in hydrogenation of vegetable oils?
a) Iron
b) Nickel
c) Zinc
d) Platinum
Answer »Answer: (b)
Question : 4
Water gas is
a) $CO_2 + H_2O$
b) CO + $H_2$
c) CO + $H_2O$
d) $CO_2 + H_2$
Answer »Answer: (b)
Question : 5
By which process the sea water can be converted into pure water?
a) Reverse osmosis
b) Electric separation
c) Deliquescence
d) Efflorescence
Answer »Answer: (a)
Question : 6
Which of the following gas is used as tear gas?
a) $SO_2$
b) $NH_3$
c) $H_2$
d) $Cl_2$
Answer »Answer: (b)
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