Chemistry - Comprehensive Mock Test 8

Question 71 Easy

The Major Constituent Of Air Is ?

A) Nitrogen B) Carbon Dioxide C) Oxygen D) Hydrogen

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Question 72 Easy

Which Of The Following Is An Iron Ore ?

A) Bauxite B) Lignite C) Nitrite D) Magnetite

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Question 73 Easy

Glass Is A ?

A) Super Cooled Liquid B) Super Cooled Gas C) Superheated Liquid D) Superheated Solid

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Question 74 Easy

The Mass Number Of A Nucleus Is. ?

A) Always More Than Its Atomic Number B) Sometimes More And Sometimes Equal To Its Atomic Number C) Always Equal To Its Atomic Number D) Always Less Than Its Atomic Number

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Question 75 Easy

Which Of The Following Is A Natural Dye ?

A) Phenolphthalein B) Alizarin C) Aniline Blue D) Crystal Violet

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Question 76 Easy

Denatured Spirit Is Ethanol Mixed With ?

A) Water B) Pyridine C) Kerosene D) Petrol

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Question 77 Medium

One Of The Following Is Used To Dissolve Noble Metals. That Is ?

A) Nitric Acid B) Hydrochloric Acid C) Sulphuric Acid D) Aqua Ragla

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Question 78 Medium

Which Of The Following Metals Form An Amalgam With Other Metals ? ?

A) Lead B) Tin C) Zinc D) Mercury

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Question 79 Easy

Dry Powder Fire Extinguishers Contain ?

A) Sand B) Sand And Sodium Carbonate C) Sand And Potassium Carbonate D) Sand And Sodium Bicarbonate

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Question 80 Medium

The Material Used In The Manufacture Of Lead Pencil Is ?

A) Mica B) Carbon C) Lead D) Graphite

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