Chemistry The common name of sodium bicarbonate is Soda lime Baking powder Baking soda Soda ash Soda lime Baking powder Baking soda Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by None of these Oxides of nitrogen and sulphur Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous None of these Oxides of nitrogen and sulphur Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Galvanising Hot dipping Electroplating Tinning Galvanising Hot dipping Electroplating ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Acetic acid Caproic acid Formic acid Butyric acid Acetic acid Caproic acid Formic acid Butyric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 7 8 – 14 None 0 – 14 0 – 7 8 – 14 None 0 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Petrol Oxalic acid Alcohol H2O2 Petrol Oxalic acid Alcohol ANSWER DOWNLOAD EXAMIANS APP