Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 2 3 4 1 2 3 4 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Chlorine Polythene Sulphur Sponge Chlorine Polythene Sulphur Sponge ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode of a dry cell is made up of Iron Lead Zinc Cadmium Iron Lead Zinc Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x/36 7.2 x x/6 5x 5x/36 7.2 x x/6 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has a maximum tendency to form M3 ion ? P As Bi N P As Bi N ANSWER DOWNLOAD EXAMIANS APP