Chemistry Which is the purest form of iron? Pig iron Wrought iron Steel Cast iron Pig iron Wrought iron Steel Cast iron 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 Generator Uninterrupted power supply (UPS) Battery Power transmittor Generator Uninterrupted power supply (UPS) Battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Tin Carbon Zinc Lead Tin Carbon Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Alkalinity Hardness Eutrophication Acidity Alkalinity Hardness Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal gas tragedy was caused by the gas Methyl Cyanide Methyl chloride Methyl Iso Cyanide Methyl Iso Cyanate Methyl Cyanide Methyl chloride Methyl Iso Cyanide Methyl Iso Cyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of paper Digestion of food Conversion of water into steam Burning of coal Burning of paper Digestion of food Conversion of water into steam Burning of coal ANSWER DOWNLOAD EXAMIANS APP