Chemistry Which of the following is not present in German-silver? Silver Nickel Zinc Copper Silver Nickel Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Trimethyl lead Tetramethyl lead Triethyl lead Tetraethyl lead Trimethyl lead Tetramethyl lead Triethyl lead Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is helium ozone oxygen methane helium ozone oxygen methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbene Carbanion Carbocation Free radical Carbene Carbanion Carbocation Free radical ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to None of these Protons Electrons Neutrons None of these Protons Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium nitrate Sodium chloride Calcium chloride Ammonium chloride Sodium nitrate Sodium chloride Calcium chloride Ammonium chloride ANSWER DOWNLOAD EXAMIANS APP