Chemistry Which of the following gases is most toxic ? Sulphur dioxide Carbon dioxide Chlorine Carbon monoxide Sulphur dioxide Carbon dioxide Chlorine Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Carbonation Oxidation Hydration Desilication Carbonation Oxidation Hydration Desilication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Multiple internal reflections Multiple surface reflections Hundred percent transmission Highest refraction Multiple internal reflections Multiple surface reflections Hundred percent transmission Highest refraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Urea Chlorine Sulphur-di- oxide Ammonia Urea Chlorine Sulphur-di- oxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Water Carbonates absorbed from soil Carbon dioxide Oxides of minerals Water Carbonates absorbed from soil Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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