Chemistry The inherited traits of an organism are controlled by enzymes DNA molecules nucleotides RNA molecules enzymes DNA molecules nucleotides RNA molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Graphite Sulphur Bauxite Phosphorus Graphite Sulphur Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Decrease Increase May increase or decrease Remain the same Decrease Increase May increase or decrease Remain the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Zinc Cobalt Iron Nickel Zinc Cobalt Iron Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon monoxide and carbon dioxide Butane and propane Carbon dioxide and oxygen Methane and ethylene Carbon monoxide and carbon dioxide Butane and propane Carbon dioxide and oxygen Methane and ethylene ANSWER DOWNLOAD EXAMIANS APP