Chemistry Alum is used as A purifier for water A fertilizer A disinfectant An analgesic A purifier for water A fertilizer A disinfectant An analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Phenolphthaline Methylene blue Methyl orange Methyl red Phenolphthaline Methylene blue Methyl orange Methyl red ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Nitrogen Silicon Calcium Oxygen Nitrogen Silicon Calcium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Calcium carbonate Potassium chloride Sodium chloride Magnesium sulphate Calcium carbonate Potassium chloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Sulphur dioxide Ammonia Hydrogen Carbon dioxide Sulphur dioxide Ammonia Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of 3Fe2O3 .. 3H2O FeCO3 Fe3OH4 Fe2O3 3Fe2O3 .. 3H2O FeCO3 Fe3OH4 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP