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) Graphene
(b) German Silver
(c) Brass
(d) Steel
The correct answers to the above question in:
Answer: (a)
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
Combination of which substance in the alloy renders stainless steel non-magnetic?
a) Molybdenum
b) Nickel
c) Carbon
d) Chromium
Answer »Answer: (b)
Question : 2
Which of the following do not consist carbon?
a) None of these
b) Diamond
c) Graphite
d) Coal
Answer »Answer: (a)
Question : 3
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 : 4
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 : 5
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)
Question : 6
Heavy water is that water
a) In which isotopes takes place of Oxygen
b) In which isotopes takes place of Hydrogen
c) The temperature of which is kept constant at 4ºC
d) In which insoluble salts of Calcium and Potassium are present
Answer »Answer: (b)
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