Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Krypton Argon Helium Neon Krypton Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Purification of colloids Dispersing precipitates into colloidal solution Precipitation of colloidal particles Protection of colloidal solution Purification of colloids Dispersing precipitates into colloidal solution Precipitation of colloidal particles Protection of colloidal solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Uninterrupted power supply (UPS) Generator Power transmittor Battery Uninterrupted power supply (UPS) Generator Power transmittor Battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Mercury Thorium Uranium Polonium Mercury Thorium Uranium Polonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Carbon and Platinum Silicon and Germanium Tungsten and Platinum Iridium and Germanium Carbon and Platinum Silicon and Germanium Tungsten and Platinum Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 0.5 to 1.5 6 to 8 3 to 5 0.01 to 0.25 0.5 to 1.5 6 to 8 3 to 5 0.01 to 0.25 ANSWER DOWNLOAD EXAMIANS APP
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