Chemistry Sea weeds are important source of Chlorine Iodine Iron Bromine Chlorine Iodine Iron Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is carbon dioxide alcohol chlorine sodium chlorine carbon dioxide alcohol chlorine sodium chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Increases efficiency of petrol Prevents freezing of petrol Reduces consumption of petrol Reduces evaporation of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces consumption of petrol Reduces evaporation of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 8.3 3.2 6.3 5.6 8.3 3.2 6.3 5.6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Photochemical reaction Physical change Endothermic reaction Exothermic reaction Photochemical reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium bicarbonate Sodium nitrite Sodium carbonate Sodium nitrate Sodium bicarbonate Sodium nitrite Sodium carbonate Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP