This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
What is laughing gas?
Correct!
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Water is a good solvent of ionic salts because?
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In vulcanization, natural rubber is heated with?
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Sodium metal is kept under?
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Wrong!
Which of the following metals forms an amalgam with other metals?
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Wrong!
Which of the following is a non metal that remains liquid at room temperature?
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Wrong!
LPG consists of mainly?
Correct!
Wrong!
The main constituents of pearls are?
Correct!
Wrong!
Science Quiz 100
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