Chemistry Browning of paper in old books is caused by Oxidation of cellulose Lack of aeration Collection of dust Frequent use Oxidation of cellulose Lack of aeration Collection of dust Frequent use ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Nitrous oxide Arsine Ammonia Sulphur dioxide Nitrous oxide Arsine Ammonia Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Tungsten and Platinum Carbon and Platinum Silicon and Germanium Iridium and Germanium Tungsten and Platinum Carbon and Platinum Silicon and Germanium Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Bauxite Fluorspar Cryolite Haematite Bauxite Fluorspar Cryolite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Atrazine Ethephon Malathion Isoproturan Atrazine Ethephon Malathion Isoproturan ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zinc sulphide is commonly used as Fungicide Herbicide Deodorant Rodenticide Fungicide Herbicide Deodorant Rodenticide ANSWER DOWNLOAD EXAMIANS APP
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