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) Battery Power transmittor Generator Uninterrupted power supply (UPS) Battery Power transmittor Generator ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by All of these Increased transportation activity Deforestation Rapid industrialization All of these Increased transportation activity Deforestation Rapid industrialization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Helium Nitrogen Hydrogen Methane Helium Nitrogen Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Sulphate Calcium Silicate Sodium Silicate Calcium Sulphate Sodium Sulphate Calcium Silicate Sodium Silicate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Oxalic acid Kerosene oil Alcohol Ether Oxalic acid Kerosene oil Alcohol Ether ANSWER DOWNLOAD EXAMIANS APP
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