Chemistry Heavy metal pollution of water is caused by: Wood burning Acid Plants Paints Domestic sewage Wood burning Acid Plants Paints Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Carbondioxide Oxygen Ozone Nitrogen Carbondioxide Oxygen Ozone Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Acetic acid Oxygen Methyl alcohol Methane Acetic acid Oxygen Methyl alcohol Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alloy is used in making magnet ? Alnico Stainless steel Duralumin Magnalium Alnico Stainless steel Duralumin Magnalium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following commonly used materials, the one that is not an alloy is Bronze Steel Brass Copper Bronze Steel Brass Copper ANSWER DOWNLOAD EXAMIANS APP