Chemistry
The photo-receptors in the eye are present in___________?
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The period of revolution of a geostationary satellite is?
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Which of the following will you use to remove rust stains on cloth?
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Which layer of the atmosphere reflects radio waves back to the earth’s surface?
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Soft drink contains which gas?
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About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is?
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Recent earthquake of October, 2005 was result of_____________?
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Mercury is also known as_________?
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PVC is obtained by the polymerisation of?
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