Chemistry - Mock Test 7

Question 61

The Energy Of The Sun Is Mainly Due To ?

A) Heat B) Nuclear Fusion C) Radioactivity D) Nuclear Fission

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Question 62

Milk Is A Colloidal System In Which ?

A) Fat Is Dispersed In Water B) Fat And Water Are Dispersed In Each Other C) Fat Is Dissolved D) Water Is Dispersed In Fat

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Question 63

Diamonds Are Glittering And Attractive Because Light Incident On Them Undergoes ?

A) Highest Refraction B) Multiple Internal Reflections C) Multiple Surface Reflections D) Hundred Percent Transmission

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Question 64

Which Of These Acids Is Not Organic In Origin?

A) Lactic Acid B) Sulphuric Acid C) Citric Acid D) Oxalic Acid

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Question 65

The Bhopal Tragedy Was Caused By The Gas ?

A) Chlorine B) Methyl Isocyanate C) Carbon Monoxide D) Phosgene

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Question 66

The Gas Which Is Mainly Responsible For The Greenhouse Effect Is ?

A) Carbon Monoxide B) Oxygen C) Ozone D) Carbon Dioxide

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Question 67

Nowadays Yellow Lamps Are Frequently Used As Street Lights. Which Of The Following Gases Is Used In These Lamps ?

A) Hydrogen B) Neon C) Sodium D) Nitrogen

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Question 68

Cement Is Usually A Mixture Of ?

A) Calcium Aluminate And Calcium Ferrate B) Calcium Silicate And Calcium Aluminate C) Calcium Silicate And Calcium Ferrate D) Lime Stone And Silicon Dioxide

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Question 69

What Is The Most Commonly Used Substance In Fluorescent Tubes?

A) Mercury Oxide And Neonv B) Mercury Vapour And Argon C) Sodium Vapour And Neon D) Sodium Oxide And Argon

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Question 70

Which Of The Following Is Riot A Greenhouse Gas ?

A) Carbon Dioxide B) Nitric Oxide C) Chlorofluorocarbon D) Hydrogen

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