General Science - Comprehensive Mock Test 16

Question 151 Medium

Global warming is observed century-scale rise in the _______ of the Earth’s climate system.?

A) Maximum temperature B) Minimum temperature C) Average temperature D) Temperature

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Question 152 Medium

What is the unit for measuring the pitch or frequency of sound ?

A) Coulomb B) Hum C) Cycles D) Decibel

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Question 153 Medium

Brass gets discoloured in air due to the presence of which gas in air?

A) Carbon dioxide B) Oxygen C) Hydrogen Sulphide D) Nitrogen

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Question 154 Medium

The property of a substance to absorb moisture from the air on exposure is called?

A) Osmosis B) Desiccation C) Efflorescence D) Deliquescene

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Question 155 Medium

Which of the following is in liquid form at room temperature ?

A) Cerium B) Sodium C) Francium D) Lithium

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Question 156 Easy

The metal that is present in Photo Films is?

A) Mercury B) Platinium C) Magnesium D) Silver

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Question 157 Medium

Permanent hardness of water can be removed by adding?

A) Potassium Permanganate B) Chlorine C) Bleaching Powder D) Washing Soda

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Question 158 Easy

The chemial name of Uria is?

A) Aneurin B) Chloroetane C) Carbamide D) None of these

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Question 159 Medium

The element present in the largest amount in rocks and minerals is?

A) Carbon B) Silicon C) Hydrogen D) Aluminium

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Question 160 Easy

The magnitude of the force is obtain from?

A) first law B) second law C) third law D) None of these

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