Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HF HNO3 H2SO4 HCl HF HNO3 H2SO4 HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Pyrolusite Magnetite Galena Siderite Pyrolusite Magnetite Galena Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Rayon Cotton Terylene Viscose Rayon Cotton Terylene Viscose ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Sodium Helium Hydrogen Lithium Sodium Helium Hydrogen Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Sulphur dioxide Carbon dioxide Nitrogen Helium Sulphur dioxide Carbon dioxide Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Coagulation Sedimentation Disinfection Softening Coagulation Sedimentation Disinfection Softening ANSWER DOWNLOAD EXAMIANS APP