Science Quiz 56

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

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

Silicon dioxide

Germanium oxide

Sodium silicate

None

Correct! Wrong!

Rayon is chemically?

Glucose

Cellulose

Carbohydrate

All of these

Correct! Wrong!

What are the soaps?

Sodium or potassium salts of heavier fatty acids

Mixture of glycerol and alcohols

Salts of silicates

None of these

Correct! Wrong!

How does common salt help in separating soap from the solution after saponification?

By decreasing solubility of Soap

By increasing density of Soap

By increasing solubility of Soap

None of these

Correct! Wrong!

Glass is made of the mixture of?

Salt and quartz

Quartz and mica

Sand and silicates

None of these

Correct! Wrong!

Which type of fire extinguisher is used for petroleum fire?

Liquid type

Powder type

Foam type

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!

How does common salt help in separating soap from the solution after saponification?

By increasing density of Soap

By decreasing solubility of Soap

By increasing density of Soap

none

Correct! Wrong!

Science Quiz 56

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Science Quiz 56

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

Rayon is chemically?

What are the soaps?

How does common salt help in separating soap from the solution after saponification?

Glass is made of the mixture of?

Which type of fire extinguisher is used for petroleum fire?

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

How does common salt help in separating soap from the solution after saponification?

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Science Quiz 56

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

Rayon is chemically?

What are the soaps?

How does common salt help in separating soap from the solution after saponification?

Glass is made of the mixture of?

Which type of fire extinguisher is used for petroleum fire?

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

How does common salt help in separating soap from the solution after saponification?

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