Chemistry The most important ore of lead is Magnetite Galena Pyrolusite Siderite Magnetite Galena Pyrolusite Siderite 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 : Power transmittor Battery Uninterrupted power supply (UPS) Generator Power transmittor Battery Uninterrupted power supply (UPS) Generator ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is not present in stainless steel? Tungsten Chromium Nickel Iron Tungsten Chromium Nickel Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Steel Stainless steel Wrought iron Pig iron Steel Stainless steel Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Cobalt Chromium Copper Cadmium Cobalt Chromium Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Formaldehyde Acetone Ethanol Acetic acid Formaldehyde Acetone Ethanol Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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