Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Neon Helium Nitrogen Argon Neon Helium Nitrogen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is O3 CO2 All of these CO O3 CO2 All of these CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Tendency to gain electrons Low electronegativity Low ionization energy Malleability Tendency to gain electrons Low electronegativity Low ionization energy Malleability ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Orissa coast Gujarat coast Travancore coast West Bengal coast Orissa coast Gujarat coast Travancore coast West Bengal coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Smoke Carbon monoxide Carbon dioxide Sulphur dioxide Smoke Carbon monoxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Arsenic Lead Aluminium Mercury Arsenic Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
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