Chemistry Zone refining is used for the purification of Ge Au Cu Ag Ge Au Cu Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Zinc Lead Copper Tin Zinc Lead Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Depletion of fossil fuel reserves Lowering of pH of soil Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves Lowering of pH of soil Industrial smog formation Eutrophication in lakes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : Methylated spirit 100% ethyl alcohol 95% ethyl alcohol Tincture iodine Methylated spirit 100% ethyl alcohol 95% ethyl alcohol Tincture iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of Fe3OH4 Fe2O3 3Fe2O3 .. 3H2O FeCO3 Fe3OH4 Fe2O3 3Fe2O3 .. 3H2O FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: Increase in free energy A lowering of free energy An increase in Internal energy A lowering of entropy Increase in free energy A lowering of free energy An increase in Internal energy A lowering of entropy ANSWER DOWNLOAD EXAMIANS APP
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