Science Quiz 91

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

The element of an electric stove made ?

Magnalium

Nichrome

Invar

none

Correct! Wrong!

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

Free electrons

Strongly held protons

None of these

Correct! Wrong!

What is the work done in moving a unit positive charge from infinity to that point in electric field called

Electric current

Potential difference

both (a) & (b)

Electric potential

Correct! Wrong!

Quartz crystals normally used in quartz clocks etc. is chemically ?

Silicon dioxide

Germanium oxide

Sodium silicate

None

Correct! Wrong!

The gases used in different types of welding would include?

Oxygen and acetylene

Oxygen, acetylene and argon

Oxygen and hydrogen

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?

High resistance

Low melting point

High melting point

None of these

Correct! Wrong!

The average salinity of sea water is?

2.5 %

3.5 %

2 %

All of these

Correct! Wrong!

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

Anthracite

Lignite

Peat

None of these

Correct! Wrong!

Science Quiz 91

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Science Quiz 91

The element of an electric stove made ?

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

What is the work done in moving a unit positive charge from infinity to that point in electric field called

Quartz crystals normally used in quartz clocks etc. is chemically ?

The gases used in different types of welding would include?

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

The average salinity of sea water is?

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

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Science Quiz 91

The element of an electric stove made ?

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

What is the work done in moving a unit positive charge from infinity to that point in electric field called

Quartz crystals normally used in quartz clocks etc. is chemically ?

The gases used in different types of welding would include?

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

The average salinity of sea water is?

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

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Science Quiz 93

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