CHEMISTRY QUIZ

Which of the following is used for refrigeration?

Sulphur dioxide

Chlorine

Phosphine

Freon

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following contains high content of lead?

Low octane fuel

Coal

High octane fuel

Cooking gas

TRUE ANSWER : ?
YOUR ANSWER : ?

What are the components responsible for acid rain?

Nitrogen monoxide (NO) and Carbon monoxide (CO)

Sulphur dioxide (SO2) and Nitrogen oxides (NOx)

Carbon dioxide (CO2) and Carbon monoxide (CO)

Oxides of carbon (COx) and Oxides of nitrogen (NOx)

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following alloy is used in making magnet ?

Magnalium

Alnico

Duralumin

Stainless steel

TRUE ANSWER : ?
YOUR ANSWER : ?

Hard steel contains

0.1 to 0.4 per cent carbon

2 to 5 per cent carbon

0.01 to 0.04 per cent carbon

0.5 to 1.5 per cent carbon

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following is a major green house gas?

Carbon dioxide

Freon

Chloro fluorocarbon

Carbon monoxide

TRUE ANSWER : ?
YOUR ANSWER : ?

A pungent smell often present near the urinals is due to

Urea

Sulphur-di- oxide

Ammonia

Chlorine

TRUE ANSWER : ?
YOUR ANSWER : ?

Metal are good conductors, because

The molecules in them are very close to each other

They contain reflecting surface

They contain free electrons

The molecules in them collide very freely

TRUE ANSWER : ?
YOUR ANSWER : ?

Litmus is obtained from

An alga

A bacterium

A fungus

Lichen

TRUE ANSWER : ?
YOUR ANSWER : ?

Surface water is a better source of drinking water because it is poor in

Arsenic

Dust

Algae

Bacteria

TRUE ANSWER : ?
YOUR ANSWER : ?

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