Chemistry Periodic table contains how many groups 17 19 16 18 17 19 16 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 14 8 – 14 None 0 – 7 0 – 14 8 – 14 None 0 – 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Fats Vitamins Carbohydrates Proteins Fats Vitamins Carbohydrates Proteins ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Decrease Remain the same Increase May increase or decrease Decrease Remain the same Increase May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Violet phosphorus Black phosphorus White phosphorus Red phosphorus Violet phosphorus Black phosphorus White phosphorus Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polythene PVC Polystyrene Nylon Polythene PVC Polystyrene Nylon ANSWER DOWNLOAD EXAMIANS APP