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Q. The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is
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Q. One would expect proton to have very large
Q. Mordants are substances that
Q. Chlorophyll is a naturally occurring chelate compound in which central metal is
Q. If the magnetic flux linked with a coil varies at the rate of 1 Wb/min, the induced e.m.f. Is :
Q. One can distinguish a telescope from a microscope by observing
Q. Transboundary pollution (or) Acid rain is caused by:
Q. The gas used to dilute oxygen for breathing by deep sea divers is:
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