Chemistry A balloon filled with helium rises in air because Helium is less dense than air Air exerts an upward force on the balloon Helium pushes down on the air below the balloon The balloon is weightless Helium is less dense than air Air exerts an upward force on the balloon Helium pushes down on the air below the balloon The balloon is weightless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Brass Glass Steel Graphite Brass Glass Steel Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Mica Petroleum Natural Gas Coal Mica Petroleum Natural Gas Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Coal Geothermal energy Natural Gas Petroleum Coal Geothermal energy Natural Gas Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Copper Aluminum Silver Manganese Copper Aluminum Silver Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiseptic compound present in dettol is Cresol Biothional Iodine Enloroxylenol Cresol Biothional Iodine Enloroxylenol ANSWER DOWNLOAD EXAMIANS APP