set 3 MCQ Questions & Answers Detailed Explanation

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The following question based on alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases topic of general science mcq

Questions : 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

The correct answers to the above question in:

Answer: (d)

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Read more chemistry gk quiz Based General Science Questions and Answers

Question : 1

Brass is a combination of what metals?

a) Copper + Zinc and Nickel

b) Copper and Zinc

c) Copper and Nickel

d) Copper and Tin

Answer: (b)

Question : 2

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: (d)

Question : 3

Which of the following do not contain carbon?

a) Sand

b) Diamond

c) Graphite

d) Coal

Answer: (a)

Question : 4

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: (d)

Question : 5

Which one of the following elements is not present in the German Silver?

a) Nickel

b) Zinc

c) Copper

d) Aluminium

Answer: (d)

Question : 6

Which one of the following elements forms the maximum number of compounds?

a) Oxygen

b) Hydrogen

c) Carbon

d) Nitrogen

Answer: (c)

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