Chemistry Which of the following elements is non-radioactive ? Uranium Zirconium Plutonium Thorium Uranium Zirconium Plutonium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.27 0.25 0.18 0.305 0.27 0.25 0.18 0.305 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Eutrophication Acidity Alkalinity Hardness Eutrophication Acidity Alkalinity Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Oxidised in air Soluble in hyposolution Reduced by light Totally colourless Oxidised in air Soluble in hyposolution Reduced by light Totally colourless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Chemical fixation Landfill Capping Encapsulation Chemical fixation Landfill Capping Encapsulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbon dioxide Carbonates absorbed from soil Oxides of minerals Water Carbon dioxide Carbonates absorbed from soil Oxides of minerals Water ANSWER DOWNLOAD EXAMIANS APP
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