Everyday Science
Velocity of sound in air does not change with the change of?
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The planet that moves round the sun at the highest speed is ——–.
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Hepatitis is a disease of which organ?
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Hardest metal is:
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Solar system was discovered by:
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What is ‘Big Ben’?
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Halley’s comet is visible after every_________?
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Echo-meter is
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The Quantity of matter present in an object is its ________?
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