Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant An insect A bacterium A fungus A seed plant An insect A bacterium A fungus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium carbonate Potassium carbonate Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate Sodium hydroxide Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO Al2O3 CaSO4, 2H2O Na2O + K2O CaO Al2O3 CaSO4, 2H2O Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 19 53 36 17 19 53 36 17 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Fluorine Sulphur Nitrogen Chlorine Fluorine Sulphur Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is Methoxy benzoic acid Methyl Salicilate Phenyl Salicilate Acetyl Salicilic acid Methoxy benzoic acid Methyl Salicilate Phenyl Salicilate Acetyl Salicilic acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS