set 4 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 4 EXERCISES

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The following question based on metals, non metals, minerals, ores, properties, uses topic of general science mcq

Questions : Sodium is obtained by the electrolysis of

(a) fused sodium chloride

(b) an aqueous solution of sodium chloride

(c) an aqueous solution of sodium hydroxide

(d) fused sodium sulphate

The correct answers to the above question in:

Answer: (a)

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Read more chemistry gk Based General Science Questions and Answers

Question : 1

Monazite is an ore of

a) Thorium

b) Titanium

c) Zirconium

d) Iron

Answer: (a)

Question : 2

Horn silver is

a) a carbonate ore of silver

b) an oxide ore of silver

c) a sulphite ore of silver

d) a chloride ore of silver

Answer: (d)

Chemical formula of horn silver is AgCl.

Question : 3

Which of the following is not a nitrogenous fertilizer?

a) CaCN2

b) NH4NO3

c) Ca(CN)2

d) Urea

Answer: (c)

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