Chemistry Conduction band electrons have more mobility than holes because they Need less energy to move them Experience collision less frequently Have negative charge Are lighter Need less energy to move them Experience collision less frequently Have negative charge Are lighter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process Mo Mn Mg W Mo Mn Mg W ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 1.568 x 103 4.84 x 1017 6.023 x 1023 6.023 x 1019 1.568 x 103 4.84 x 1017 6.023 x 1023 6.023 x 1019 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore which is found in abundance in India is fluorspar bauxite magnetite monazite fluorspar bauxite magnetite monazite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Isoproturan Atrazine Malathion Ethephon Isoproturan Atrazine Malathion Ethephon ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: No spin Same spin Opposite spin Same or opposite spin No spin Same spin Opposite spin Same or opposite spin ANSWER DOWNLOAD EXAMIANS APP