Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.158 0.323 0.201 0.273 0.158 0.323 0.201 0.273 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Hydrogen Ammonia Carbon dioxide Sulphur dioxide Hydrogen Ammonia Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Aluminium D.T. Plastic Paper Aluminium D.T. Plastic Paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Bitumen Lignite Anthracite Peat Bitumen Lignite Anthracite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon Helium is less dense than air The balloon is weightless Air exerts an upward force on the balloon Helium pushes down on the air below the balloon Helium is less dense than air The balloon is weightless Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Camphor Coal-tar Charcoal Diesel Camphor Coal-tar Charcoal Diesel ANSWER DOWNLOAD EXAMIANS APP