Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Battery Generator Uninterrupted power supply (UPS) Power transmittor Battery Generator Uninterrupted power supply (UPS) Power transmittor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Tungsten Gold Iron Platinum Tungsten Gold Iron Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Ultraviolet Radio-waves Visible Infrared Ultraviolet Radio-waves Visible Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is olive oil kerosene oil pine oil coconut oil olive oil kerosene oil pine oil coconut oil ANSWER DOWNLOAD EXAMIANS APP