Chemistry Peroxyacetyl nitrate is a Secondary pollutant Acidic dye Plant hormone Vitamin Secondary pollutant Acidic dye Plant hormone Vitamin ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium is less dense than air Helium pushes down on the air below the balloon Air exerts an upward force on the balloon The balloon is weightless Helium is less dense than air Helium pushes down on the air below the balloon Air exerts an upward force on the balloon The balloon is weightless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Uric Acid Urea Ammonium Nitrate Ammonia Uric Acid Urea Ammonium Nitrate Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Monoxide Sodium Peroxide Sodium Hydroxide Sodium Carbonate Sodium Monoxide Sodium Peroxide Sodium Hydroxide Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called leaching levigation magnetic separation liquation leaching levigation magnetic separation liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is German Silver Nichrome Alloy Steel Solder German Silver Nichrome Alloy Steel Solder ANSWER DOWNLOAD EXAMIANS APP
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