Chemistry The metal used to recover copper from a solution of copper sulphate is Ag Hg Na Fe Ag Hg Na Fe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Wernher Von Braun Edward Teller Samuel Cohen J. Robert Oppen Heimer Wernher Von Braun Edward Teller Samuel Cohen J. Robert Oppen Heimer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Limestone and Clay Limestone, Clay and Gypsum Clay and Gypsum Limestone and Gypsum Limestone and Clay Limestone, Clay and Gypsum Clay and Gypsum Limestone and Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon dioxide Methane Sulphur dioxide Carbon monoxide Carbon dioxide Methane Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Lignite Biomass Coal Petroleum Lignite Biomass Coal Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Uric acid Urea Lactic acid Glucose Uric acid Urea Lactic acid Glucose ANSWER DOWNLOAD EXAMIANS APP
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