Chemistry Philosopher’s Wool is Zinc carbonate Zinc blende Zinc oxide Zinc sulphate Zinc carbonate Zinc blende Zinc oxide Zinc sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains Hard rocks None of these High concentration of salt Lot of moisture Hard rocks None of these High concentration of salt Lot of moisture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Dye laser Gas laser Semiconductor laser Excimer laser Dye laser Gas laser Semiconductor laser Excimer laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Firewood Natural Gas Coal Petroleum Firewood Natural Gas Coal Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Sodium Silver Gold Copper Sodium Silver Gold Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Solar energy devices Transistors All of these Semiconductors Solar energy devices Transistors All of these Semiconductors ANSWER DOWNLOAD EXAMIANS APP