Welcome to the Science Quiz 57

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

Chlorophyll is a naturally occurring chelate compound in which central metal is?

Magnesium

Iron

Copper

None of these

Correct! Wrong!

What should be present in a substance to make it a conductor of electricity?

Strongly held protons

Free electrons

None of these

Correct! Wrong!

The element of an electric stove made ?

Magnalium

Nichrome

Invar

none

Correct! Wrong!

Who invented atomic bomb?

J. Robert Oppenheimer

Compel

Macmillan

None

Correct! Wrong!

The variety of coal in which the deposit contains recognizable traces of the original plant material is?

Anthracite

Peat

Lignite

All of these

Correct! Wrong!

For galvanizing iron which of the following metals is used?

Copper

Zinc

Lead

None of these

Correct! Wrong!

For safety, the fuse wire used in the mains for household supply of electricity must be made of metal having?

Low melting point

High melting point

High resistance

None of these

Correct! Wrong!

Which of the following is a protein?

Cellulose

Starch

Natural rubber

None of these

Correct! Wrong!

Science Quiz 57

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