GENERAL SCIENCE QUIZ

Which layer protects earth from harmful rays of the Sun?

Magnetosphere

Ozone layer

Troposphere

Ionosphere

TRUE ANSWER : ?
YOUR ANSWER : ?

In vulcanisation, natural rubber is heated with

Phosphorous

Carbon

Silicon

Sulphur

TRUE ANSWER : ?
YOUR ANSWER : ?

Among the various allotrope of carbon

Coke is the hardest, graphite is the softest

Diamond is the hardest, lamp black is the softest

Diamond is the hardest, graphite is the softest

Diamond is the hardest, coke is the softest

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the lightest metal?

Mercury

Lead

Silver

Lithium

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has a least penetrating power?

All have same penetrating power

Gamma rays

Beta Particles

Alpha particles

TRUE ANSWER : ?
YOUR ANSWER : ?

The two elements that are frequently used for making transistors are

Silicon and Germanium

Iridium and Tungsten

Boron and Aluminium

Niobium and Columbium

TRUE ANSWER : ?
YOUR ANSWER : ?

'No two electrons in an atom can have the same set of four quantum numbers' is

Newton's law

Pauli's exclusion principle

Aufbau principle

Bohr's law

TRUE ANSWER : ?
YOUR ANSWER : ?

Potassium nitrate is used in

Salt

Medicine

Fertilizer

Glass

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is used in pencils?

Phosphorous

Silicon

Graphite

Charcoal

TRUE ANSWER : ?
YOUR ANSWER : ?

The vast resources of unutilised natural gas can be used in the production of

Fertilisers

Graphite

Carbide

Synthetic petroleum

TRUE ANSWER : ?
YOUR ANSWER : ?

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