Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Zinc and carbon Nickel and cadmium Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium Iron and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The next higher homologue of C6H14 is C7H14 C7H12 C6H12 C7H16 C7H14 C7H12 C6H12 C7H16 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Hydrogen Chlorine Nitrogen Oxygen Hydrogen Chlorine Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Sulphurous acid Sulphuric acid Hydrofluoric acid Hydrochloric acid Sulphurous acid Sulphuric acid Hydrofluoric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Urea Chlorine Sulphur-di- oxide Ammonia Urea Chlorine Sulphur-di- oxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O+2 O-2 O-22 O2 O+2 O-2 O-22 O2 ANSWER DOWNLOAD EXAMIANS APP