Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Borax powder Alum Bleaching powder Soda powder Borax powder Alum Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Ozone Barium peroxide Hydrogen peroxide Sodium peroxide Ozone Barium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? CH4 CO2 N2O Chlorofluorocarbons CH4 CO2 N2O Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as Carcinogens None of these Allergens Asthematic agents Carcinogens None of these Allergens Asthematic agents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Bauxite Calamine Haematite Chalcopyrites Bauxite Calamine Haematite Chalcopyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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