Chemistry Stains of rust on clothes can be removed by : Petrol Oxalic acid Alcohol H2O2 Petrol Oxalic acid Alcohol H2O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium can be purified by Electrolysis Oxidation Distillation Ozonolysis Electrolysis Oxidation Distillation Ozonolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 92235U 818O 614C 13H 92235U 818O 614C 13H ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O-22 O+2 O2 O-2 O-22 O+2 O2 O-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate ANSWER DOWNLOAD EXAMIANS APP