Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Power transmittor Generator Uninterrupted power supply (UPS) Battery Power transmittor Generator Uninterrupted power supply (UPS) Battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Silicon Nitrogen Oxygen Calcium Silicon Nitrogen Oxygen Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Coagulation Emulsification Adsorption Absorption Coagulation Emulsification Adsorption ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of SO2 Unburnt petrol CO CO2 SO2 Unburnt petrol CO CO2 ANSWER DOWNLOAD EXAMIANS APP
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