Chemistry The percentage of oxygen in air is approximately 0.78 0.21 1 0.01 0.78 0.21 1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polystyrene PVC Polythene Nylon Polystyrene PVC Polythene Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Thorium Plutonium Uranium Zirconium Thorium Plutonium Uranium Zirconium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 8.3 3.2 5.6 6.3 8.3 3.2 5.6 6.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Cs Ca K Na Cs Ca K Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. Both A and R is true and R is the correct explanation of A A is false but R is true Both A and R is true but R is not a correct explanation of A A is true but R is false Both A and R is true and R is the correct explanation of A A is false but R is true Both A and R is true but R is not a correct explanation of A A is true but R is false ANSWER DOWNLOAD EXAMIANS APP