Chemistry - Mock Test 9

Question 81

Petroleum Consists Of A Mixture Of?

A) Carbohydrates B) Carbonates C) Carbide D) Hydrocarbons

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Question 82

Stainless Steel Is An Alloy Of ?

A) Chromium Carbon And Iron B) Chromium And Iron C) Chromium And Carbon D) Carbon And Iron

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Question 83

Muscle Fatigue Is Caused By The Accumulation Of?

A) Oxaiacetic Acid B) Uric Acid C) Pyruvic Acid D) Lactic Acid

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Question 84

Which One Of The Following Metals Is Used To Galvanise Iron?

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

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Question 85

The Purest Form Of Water Is ?

A) Tap Water B) Rainwater C) Groundwater D) Distilled Water

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Question 86

Ozone Layer Is Present In ?

A) Stratosphere B) Ionosphere C) Troposphere D) Exosphere

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Question 87

By Which Organic Compound All The Oils Arc Known ?

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

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Question 88

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 89

Cement Is Made Hard With ?

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

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Question 90

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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