Chemistry Main source of lead pollution is from Sewage Leaded gasoline Tobacco Insecticides Sewage Leaded gasoline Tobacco Insecticides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The trans-uranium elements are the chemical elements with atomic numbers greater than 89 92 96 86 89 92 96 86 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Acetic acid Sulphuric acid Carbonic acid Formic acid Acetic acid Sulphuric acid Carbonic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Spermatozoan Lymphocyte Oocyte Erythrocyte Spermatozoan Lymphocyte Oocyte Erythrocyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Lead Mercury Arsenic Aluminium Lead Mercury Arsenic Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called leaching levigation magnetic separation liquation leaching levigation magnetic separation liquation ANSWER DOWNLOAD EXAMIANS APP
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