Chemistry Which of the following is not a natural source of hydrocarbon? Mica Petroleum Natural Gas Coal Mica Petroleum Natural Gas Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A non-electrolyte A weak electrolyte A strong electrolyte Initially weak and then become a strong electrolyte A non-electrolyte A weak electrolyte A strong electrolyte Initially weak and then become a strong electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Ag Fe Na Hg Ag Fe Na Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 1,3-butadiene Acrylonitrile 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene 1,3-butadiene Acrylonitrile 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene 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 x/6 5x/36 7.2 x 5x x/6 5x/36 7.2 x 5x ANSWER DOWNLOAD EXAMIANS APP
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