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) Mixture of Helium-Nitrogen
(b) Mixture of Oxygen-Acetylene
(c) Mixture of Helium-Oxygen
(d) Mixture of Oxygen-Hydrogen
The correct answers to the above question in:
Answer: (c)
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Read more chemistry gk quiz Based General Science Questions and Answers
Question : 1
Steel is further processed to obtain stainless steel by adding some element. Which one of the following is not used for this purpose?
a) Nickel
b) Manganese
c) Carbon
d) Silicon
Answer »Answer: (d)
Question : 2
The substance used as moderator and coolant both, in nuclear reactors is
a) Liquid Hydrogen
b) Liquid Ammonia
c) Ordinary water
d) Heavy water
Answer »Answer: (d)
Question : 3
Which one of the following is also called Stranger Gas?
a) Neon
b) Xenon
c) Argon
d) Nitrous Oxide
Answer »Answer: (b)
Question : 4
The plates of galvanized iron remains protected from rust because the existence of
a) Bung
b) Zinc
c) Lead
d) Chromium
Answer »Answer: (b)
Question : 5
Which of the following elements are included in stainless steel?
a) Iron, Zinc, Chromium and Carbon
b) Iron, Chromium, Manganese and Carbon
c) Chromium, Nickel and Iron
d) Nickel, Iron and Carbon
Answer »Answer: (b)
Question : 6
Which one of the following catalysts is used in hydrogenation of vegetable oils?
a) Iron
b) Nickel
c) Zinc
d) Platinum
Answer »Answer: (b)
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