Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Sodium peroxide Barium peroxide Hydrogen peroxide Ozone Sodium peroxide Barium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Sedimentation Filteration Precipitation Electrophoresis Sedimentation Filteration Precipitation Electrophoresis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Chalk Marble Slaked lime Limestone Chalk Marble Slaked lime Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a natural Mixture Suspension Emulsion Solution Mixture Suspension Emulsion Solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Ultraviolet Infrared Visible Radio-waves Ultraviolet Infrared Visible ANSWER DOWNLOAD EXAMIANS APP
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