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This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
From which of the following ore, iron is extracted?
Correct!
Wrong!
To provide stern hardness which of the following is mixed up?
Correct!
Wrong!
Which of the following is the chemical name of the lime stone?
Correct!
Wrong!
The process employed to remove the magnetic impurities from the Ores is called:
Correct!
Wrong!
The element radium was extracted from:
Correct!
Wrong!
The chemical utilized and employed as fixer in the photography is:
Correct!
Wrong!
What will be the change when iron get rusted?
Correct!
Wrong!
The mass number of an atom is:
Correct!
Wrong!
Science Quiz 205
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