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) Copper + Zinc and Nickel
(b) Copper and Zinc
(c) Copper and Nickel
(d) Copper and Tin
The correct answers to the above question in:
Answer: (b)
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Read more chemistry gk quiz Based General Science Questions and Answers
Question : 1
Solder used in soldering metal pieces consists of any alloy of
a) Tin, Lead and Zinc
b) Tin, Zinc and Copper
c) Tin and Zinc
d) Tin and Lead
Answer »Answer: (d)
Question : 2
Which of the following do not contain carbon?
a) Sand
b) Diamond
c) Graphite
d) Coal
Answer »Answer: (a)
Question : 3
Which gas is known as ‘noble gas’?
a) Oxygen
b) Helium
c) Hydrogen
d) Carbon dioxide
Answer »Answer: (b)
Question : 4
Which of the following elements is added to iron to produce steel which can resist high temperature, have high hardness and abrasion resistance?
a) Tungsten
b) Nickel
c) Aluminium
d) Chromium
Answer »Answer: (d)
Question : 5
Which one of the following is not correctly matched?
a) Boric acid is used in pharmaceutical industry and also as a food preservative
b) Dry ice is solid Carbon dioxide
c) Bordeaux mixture is a mixture of Copper (II) Sulphate and Calcium Hydroxide in water and is used as a fungicide
d) Nitric oxide is a laughing gas
Answer »Answer: (d)
Question : 6
Which one of the following elements is not present in the German Silver?
a) Nickel
b) Zinc
c) Copper
d) Aluminium
Answer »Answer: (d)
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