Chemistry An example of replenishable energy source is– Lignite Coal Petroleum Biomass Lignite Coal Petroleum Biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Candle is a mixture of Bees wax and paraffin wax Higher fatty acids and stearic acid Bees wax and stearic acid Paraffin was and stearic acid Bees wax and paraffin wax Higher fatty acids and stearic acid Bees wax and stearic acid Paraffin was and stearic acid 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 : Battery Generator Power transmittor Uninterrupted power supply (UPS) Battery Generator Power transmittor Uninterrupted power supply (UPS) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of manganese dioxide Fractional distillation of liquid air Electrolysis of water Decomposition of potassium permanganate Decomposition of manganese dioxide Fractional distillation of liquid air Electrolysis of water Decomposition of potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Faraday Alfred Nobel Volta Bohr and Rutherford Faraday Alfred Nobel Volta Bohr and Rutherford ANSWER DOWNLOAD EXAMIANS APP