Chemistry Mercury is emitted into air by Steam engine Coal fire Burning coal Burning garbage Steam engine Coal fire Burning coal Burning garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Chloro fluoro carbon Ethane Sulphur dioxide Carbon dioxide Chloro fluoro carbon Ethane Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Sulphur dioxide Methane Carbon dioxide Carbon monoxide Sulphur dioxide Methane Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Completely vacant electronic subshells Unpaired electrons Completely filled electronics subshells Paired electrons Completely vacant electronic subshells Unpaired electrons Completely filled electronics subshells Paired electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium sulphate Saccharin BHT Sodium metabisulphite Sodium sulphate Saccharin BHT Sodium metabisulphite ANSWER DOWNLOAD EXAMIANS APP
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