Set 1 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 : Which of the following is lighter than water?

(a) Sodium

(b) Magnesium

(c) Aluminium

(d) Manganese

The correct answers to the above question in:

Answer: (a)

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Question : 1

Which of the following statements regarding non-metals is false?

a) The black material inside a pencil is metal lead.

b) 11 non-metals are in gaseous state.

c) Gas carbon is a good conductor of heat and electricity.

d) All non-metals are non-sonorous in nature.

Answer: (a)

The black material inside a pencil is not metal lead. Actually it is graphite, a non-metal.

Question : 2

The softest mineral, Talc (Soapstone) is mainly

a) Sodium Silicate

b) Sodium Phosphate

c) Manganese Silicate

d) Magnesium Silicate

Answer: (d)

Question : 3

Which one of the following metals is liquid at ordinary temperature?

a) Nickel

b) Mercury

c) Lead

d) Tin

Answer: (b)

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