Chemistry - Comprehensive Mock Test 5

Question 41 Medium

By Which Organic Compound All The Oils Arc Known ?

A) Hydrocarbon B) Ester C) Protein D) Carbohydrate

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Question 42 Medium

The Function Of Skimming Tank In Sewage Treatment Is To Remove ?

A) Suspended Solids B) Oil And Fatty Substances C) Gritty Substances D) Inorganic Substances

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Question 43 Easy

Cement Is Made Hard With ?

A) Dehydration B) Hydration And Dissociation Of Water C) Dissociation Of Water D) Polymerisation

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Question 44 Easy

Diamond Is Harder Than Graphite Because Of ?

A) Difference In Layers Of Atoms B) Tetrahedral Structure Of Diamond C) Difference Of Crystalline Structures D) None Of These

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Question 45 Medium

Type Metal Used In Printing Press Is An Alloy Of ?

A) Lead And Copper B) Lead And Antimony C) Lead And Bismuth D) Lead And Zinc

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Question 46 Medium

Which Of The Following Elements Is Not Present In Stainless Steel? ?

A) Tungsten B) Iron C) Chromium D) Nickel

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Question 47 Medium

The Isotope Used For The Production Of Atomic Energy Is ?

A) U-238 B) U-235 C) U-234 D) U-236

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Question 48 Medium

Which Of The Following Is Chiefly Present In LPG (Liquefied Petroleum Gas)?

A) Methane B) Ethane C) Propane D) Butane

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Question 49 Easy

Galvanization Is The : ?

A) Deposition Of Zinc On Iron B) Deposition Of Tin On Iron C) Deposition Of Copper On Iron D) Deposition Of Aluminum On Iron

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Question 50 Easy

Aspirin Is ?

A) Acetyl Salicillc Acid B) Methyl Salicilate C) Methoxy Benzoic Acid D) Phenyl Salicilate

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