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 Battery Generator Uninterrupted power supply (UPS) Power transmittor Battery Generator Uninterrupted power supply (UPS) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Isobars are lines joining places having equal Height above sea-level Rainfall Pressure Population Height above sea-level Rainfall Pressure Population ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbanion Carbene Free radical Carbocation Carbanion Carbene Free radical Carbocation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Compound Heterogeneous mixture Homogeneous mixture Element Compound Heterogeneous mixture Homogeneous mixture Element ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Carbon dioxide Carbon monoxide Ozone Oxygen Carbon dioxide Carbon monoxide Ozone Oxygen ANSWER DOWNLOAD EXAMIANS APP
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