Chemistry The lowest layer of earth's atmosphere is Ionosphere Troposphere Mesosphere Stratosphere Ionosphere Troposphere Mesosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : MgCl2 CaCO3 MgCO3 CaCl2 MgCl2 CaCO3 MgCO3 CaCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Sulphur Phosphorous Silicon Magnesium Sulphur Phosphorous Silicon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is an aqueous solution of Hydrochloric acid Acetic acid Citric acid Oxalic acid Hydrochloric acid Acetic acid Citric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
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