Chemistry The most important ore of lead is Magnetite Siderite Galena Pyrolusite Magnetite Siderite Galena Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Vitamins Proteins Carbohydrates Fats Vitamins Proteins Carbohydrates Fats ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Dye laser Semiconductor laser Gas laser Excimer laser Dye laser Semiconductor laser Gas laser Excimer laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry 24 carat of diamond is equal to 91% gold 200 mg 95% mg 200 g 91% gold 200 mg 95% mg 200 g ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 12 18 Zero 6 12 18 Zero ANSWER DOWNLOAD EXAMIANS APP
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