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This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?
120
Which of the following was to be discovered first in the chromospheres of the sun?
Correct!
Wrong!
Potassium Permanganate is used for purifying drinking water, because?
Correct!
Wrong!
Which of the following is not an isotope of hydrogen?
Correct!
Wrong!
In fireworks, the green flame is produced because of?
Correct!
Wrong!
The property of a substance to absorb moisture from the air on exposure is called ?
Correct!
Wrong!
Which of the following are the ingredients of gun metal?
Correct!
Wrong!
Which metal pollute the air of a big city?
Correct!
Wrong!
Air is a/an?
Correct!
Wrong!
Science Quiz 141
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