Science Quiz 205

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

To provide stern hardness which of the following is mixed up?

Silicon

Chromium

Manganese

All of these

Correct! Wrong!

From which of the following ore, iron is extracted?

Monazite sand

Haematite

Pinch blend

None of these

Correct! Wrong!

The element radium was extracted from:

Pinch blend

Retile

Haematite

None of these

Correct! Wrong!

Which of the following is the chemical name of the lime stone?

Calcium chloride

Calcium sulphate

both (a) & (b)

Calcium carbonate

Correct! Wrong!

The process employed to remove the magnetic impurities from the Ores is called:

Magnetic separation process

Forth floatation process

Gravity separation process

None of these

Correct! Wrong!

The mass number of an atom is:

Number of nucleons in the nucleus

Number of protons in the nucleus

Number of neutrons in the nucleus

None

Correct! Wrong!

The chemical utilized and employed as fixer in the photography is:

Ammonium per-sulphate

Sodium thiosulphate

Atomic density

none

Correct! Wrong!

What will be the change when iron get rusted?

No changes take place

Its weight change

Its weight is increased

None of these

Correct! Wrong!

Science Quiz 205

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Science Quiz 205

To provide stern hardness which of the following is mixed up?

From which of the following ore, iron is extracted?

The element radium was extracted from:

Which of the following is the chemical name of the lime stone?

The process employed to remove the magnetic impurities from the Ores is called:

The mass number of an atom is:

The chemical utilized and employed as fixer in the photography is:

What will be the change when iron get rusted?

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Purchased - Ravensburger - Mountains of Mayhem 200pc

Purchased - Heebie Jeebies Mug - NASA logo

Science Quiz 205

To provide stern hardness which of the following is mixed up?

From which of the following ore, iron is extracted?

The element radium was extracted from:

Which of the following is the chemical name of the lime stone?

The process employed to remove the magnetic impurities from the Ores is called:

The mass number of an atom is:

The chemical utilized and employed as fixer in the photography is:

What will be the change when iron get rusted?

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Purchased - Ravensburger - Mountains of Mayhem 200pc

Purchased - Heebie Jeebies Mug - NASA logo