Chemistry Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium A, C and E A and C B, D and E A, B, C, D and E A, C and E A and C B, D and E A, B, C, D and E ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Increases efficiency of petrol Reduces evaporation of petrol Reduces consumption of petrol Prevents freezing of petrol Increases efficiency of petrol Reduces evaporation of petrol Reduces consumption of petrol Prevents freezing of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbonate Calcium sulphide Calcium carbide Calcium chloride Calcium carbonate Calcium sulphide Calcium carbide Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Brass Carbon–dioxide Air Iron Brass Carbon–dioxide Air Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table John Dalton Dmitri Mendeleev Julius Lothar Meyer Henry Moseley John Dalton Dmitri Mendeleev Julius Lothar Meyer Henry Moseley ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline Insecticides Sewage Tobacco ANSWER DOWNLOAD EXAMIANS APP
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