Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HF H2SO4 HNO3 HCl HF H2SO4 HNO3 HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O Al2O3 Na2O + K2O CaO CaSO4, 2H2O Al2O3 Na2O + K2O CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over India Europe Africa Antarctica India Europe Africa Antarctica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Nitrogen Silicon Oxygen Calcium Nitrogen Silicon Oxygen Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Ostwald Lewis Faraday Arrhenius Ostwald Lewis Faraday Arrhenius ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is Nichrome Solder German Silver Alloy Steel Nichrome Solder German Silver Alloy Steel ANSWER DOWNLOAD EXAMIANS APP