Chemistry Browning of paper in old books is caused by Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry A colloidal system in which a liquid is dispersed in a liquid is called Sol Emulsion Precipitate Gel Sol Emulsion Precipitate Gel ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 4 2 8 1 4 2 8 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry 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 ozone oxygen methane helium ozone oxygen methane helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Molten tin Solid zinc Gaseous zinc Molten zinc Molten tin Solid zinc Gaseous zinc Molten zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Dry farming Greenhouse effect Trade winds Fire in coal mines Dry farming Greenhouse effect Trade winds Fire in coal mines ANSWER DOWNLOAD EXAMIANS APP
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