Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Halogens Heavy metals Noble gases Light metals Halogens Heavy metals Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Krypton Neon Helium Argon Krypton Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in RNA Thymine Uracil Phosphate Ribose Thymine Uracil Phosphate Ribose ANSWER DOWNLOAD EXAMIANS APP
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. ? Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Francium Radium Fluorine Chlorine Francium Radium Fluorine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [CrO4]2− [CoF6]3+ [Ti(H2O)6]3+ [Cu(NH3)4]2+ [CrO4]2− [CoF6]3+ [Ti(H2O)6]3+ [Cu(NH3)4]2+ ANSWER DOWNLOAD EXAMIANS APP
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