Burning of paper causes weight loss because: (a) it does not follow the law of conservation of mass (b) some gases are produced and escaped (c) it is not a chemical reaction (d) precipitate is not formed
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Option (b)some gases are produced and escaped.
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option ( b ) bec in this case solid is changed to gas and when its burned, the gas which is present as mass is escaped and mass also reduces.
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I hope this will help you and if so then please mark it as brainliest.
KAS11:
please mark it as brainliest
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