Chemistry Which of the following metals occurs in free state ? Iron Copper Zinc Lead Iron Copper Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Petrol Kerosene Oxalic acid solution Lime Petrol Kerosene Oxalic acid solution Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HNO3 H2SO4 HF HCl HNO3 H2SO4 HF HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Sodium Chloride (NaCl) Dry Ice (Frozen CO2) Silver Iodide (Ag I) All of these Sodium Chloride (NaCl) Dry Ice (Frozen CO2) Silver Iodide (Ag I) All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecule which has the highest percentage of ionic character among the following is HBr HF HI HCI HBr HF HI HCI ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of coal Digestion of food Burning of paper Conversion of water into steam Burning of coal Digestion of food Burning of paper Conversion of water into steam ANSWER DOWNLOAD EXAMIANS APP
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