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 Uninterrupted power supply (UPS) Generator Power transmittor Battery Uninterrupted power supply (UPS) Generator ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Lead SO2 NO2 Hg Lead SO2 NO2 Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: How fast the reactions go The mechanisms and paths of the molecules take in joining from one reactant to products The rate of chemical reaction All of these are correct How fast the reactions go The mechanisms and paths of the molecules take in joining from one reactant to products The rate of chemical reaction All of these are correct ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Magnesium Copper Barium Silver Magnesium Copper Barium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Digestion of food Burning of coal Burning of paper Conversion of water into steam Digestion of food Burning of coal Burning of paper Conversion of water into steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Carbon monoxide Sulphur dioxide Carbon dioxide Chlorine Carbon monoxide Sulphur dioxide Carbon dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
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