Chemistry In upper layer of atmosphere ozone is formed by The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Gold Chromium Cobalt Cadmium Gold Chromium Cobalt Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Emulsion Coagulation Dialysis Solvation Emulsion Coagulation Dialysis Solvation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 100 years 3 billion years 13 days 0.01 minute 100 years 3 billion years 13 days 0.01 minute ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Gypsum salt Epsom salt Green vitriol Blue vitriol Gypsum salt Epsom salt Green vitriol Blue vitriol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Synergism Independent Additives Antagonism Synergism Independent Additives Antagonism ANSWER DOWNLOAD EXAMIANS APP
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