set 2 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) Coal
(b) Graphite
(c) Charcoal
(d) Lamp black
The correct answers to the above question in:
Answer: (b)
Practice alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases (set 2) Online Quiz
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Question : 1
The important metal used with iron produce stainless steel is
a) Carbon
b) Tin
c) Aluminium
d) Chromium
Answer »Answer: (d)
Question : 2
Alloy of which metal is used to make aeroplane and parts of the compartment of the train?
a) None of these
b) Aluminium
c) Copper
d) Iron
Answer »Answer: (b)
Question : 3
Who among the following discovered heavy water?
a) Joseph Priestly
b) G. Mendel
c) Heinrich Hertz
d) H.C. Urey
Answer »Answer: (d)
Question : 4
Which of the following is not optically active?
a) Alanine
b) Serine
c) Glycine
d) All of these
Answer »Answer: (c)
Question : 5
In order to compensate the deficiency of which of the following elements, the insectivorous plants trap and eat insects?
a) Nitrogen
b) Magnesium
c) Manganese
d) Sulphur
Answer »Answer: (a)
Question : 6
Which is used as Laughing gas?
a) Nitrogen dioxide
b) Nitrogen trioxide
c) Nitrous oxide
d) Nitrogen tetra oxide
Answer »Answer: (c)
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