Chemistry Browning of paper in old books is caused by Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is a polymer of Isobutane Isopentane Isoprene Chloroprene Isobutane Isopentane Isoprene Chloroprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Wood burning Acid Plants Paints Domestic sewage Wood burning Acid Plants Paints ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is NO N2O NO2 N2O3 NO N2O NO2 N2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Triethylamine Diethylamine Ethylamine Ammonia Triethylamine Diethylamine Ethylamine Ammonia ANSWER DOWNLOAD EXAMIANS APP
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