Chemistry Which of the following has least negative electron gain enthalpy S Cl P F S Cl P F ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to presence of free electrons its chemical inertness its high density its high polishing presence of free electrons its chemical inertness its high density its high polishing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Plutonium Zirconium Thorium Uranium Plutonium Zirconium Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Cadmium Copper Chromium Lead Cadmium Copper Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Experience collision less frequently Are lighter Need less energy to move them Have negative charge Experience collision less frequently Are lighter Need less energy to move them Have negative charge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen Non-combustible More stable Lighter than hydrogen More abundant than hydrogen Non-combustible More stable Lighter than hydrogen ANSWER DOWNLOAD EXAMIANS APP