Chemistry When cathode rays strike a target of high atomic weight, they give rise to Positive rays X-rays ? and ? rays ?-rays Positive rays X-rays ? and ? rays ?-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Sodium Nitroprusside test Hydrolysis test Spectroscopy Borax-Bead test Sodium Nitroprusside test Hydrolysis test Spectroscopy Borax-Bead test ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 2 to 3 per cent 3 to 4 per cent 5 to 6 per cent 4 to 5 per cent 2 to 3 per cent 3 to 4 per cent 5 to 6 per cent 4 to 5 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The noble gas used in radiotherapy is Argon Radon Neon Xenon Argon Radon Neon Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P4 P3 P2 P1 P4 P3 P2 P1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Haematite Magnetite Limonite Siderite Haematite Magnetite Limonite Siderite ANSWER DOWNLOAD EXAMIANS APP