Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Chlorofluorocarbon Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbon Carbon dioxide Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most dense liquid from the below Gasolin Water Choloform None of these Gasolin Water Choloform None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Hydrogen peroxide Barium peroxide Ozone Sodium peroxide Hydrogen peroxide Barium peroxide Ozone Sodium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Carbon monoxide Water gas Hydrogen cyanide Mustard gas Carbon monoxide Water gas Hydrogen cyanide Mustard gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium phosphate Calcium sulphate Calcium chloride Calcium borate Calcium phosphate Calcium sulphate Calcium chloride Calcium borate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Nitrogen Water Carbon di–oxide Air Nitrogen Water Carbon di–oxide Air ANSWER DOWNLOAD EXAMIANS APP
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