set 4 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) Molybdenum
(b) Nickel
(c) Carbon
(d) Chromium
The correct answers to the above question in:
Answer: (b)
Practice alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases (set 4) Online Quiz
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Read more chemistry gk quiz Based General Science Questions and Answers
Question : 1
Which of the following do not consist carbon?
a) None of these
b) Diamond
c) Graphite
d) Coal
Answer »Answer: (a)
Question : 2
An element X has four electrons in its outermost orbit. What will be the formula of its compounds with hydrogen?
a) $XH_4$
b) $XH_3$
c) $X_4H$
d) $X_4H_4$
Answer »Answer: (a)
Question : 3
Tubelight is filled with
a) Argon gas at low pressure
b) Mercury vapour at low pressure
c) Sodium vapour
d) Both (a) and (b)
Answer »Answer: (d)
Question : 4
Which one of the following materials is strongest?
a) Graphene
b) German Silver
c) Brass
d) Steel
Answer »Answer: (a)
Question : 5
The gas used in the manufacture of Vanaspati Ghee from Vanaspati Oil is
a) Carbon dioxide
b) Nitrogen
c) Hydrogen
d) Oxygen
Answer »Answer: (c)
Question : 6
The foul smell of dead fish is due to the compound
a) Aldehydic compounds
b) Sulphur compounds
c) Amino compounds
d) Nitro compounds
Answer »Answer: (c)
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