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PEARSON IIT JEE FOUNDATION-AIR AND OXYGEN-LEVEL-3
- Why is the action of heat on iodine a physical change?
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- 'Though oxygen is the supporter of life on earth, the presence of nitr...
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- Why the position of freezer in the refrigerator is generally at the to...
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- How does sky appear from the moon?
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- Two liquids A and B were taken in two diffrernt barometer, the density...
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- What would happen if people travel in a non-pressurized aeroplane?
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- Electric bulbs are filled with argon gas but not air. Explain.
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- The body temperature of a healthy person is around 98.4^(@)F. Justify.
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- U.V rays find application in the purification of water, although it is...
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- Deep sea divers carry oxygen diluted by helium in cylinders instead of...
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- The temperature of troposphere decrease with increase in altitude. Is ...
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