Chemistry In drinking water supply, which of the following treatments is not involved Sedimentation Disinfection Softening Coagulation Sedimentation Disinfection Softening Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Sodium Hydrogen Nitrogen Neon Sodium Hydrogen Nitrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is coconut oil olive oil kerosene oil pine oil coconut oil olive oil kerosene oil pine oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Sulphur dioxide Carbon suboxide Carbon dioxide Carbon monoxide Sulphur dioxide Carbon suboxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.5 mole 0.25 mole 0.4 mole 0.2 mole 0.5 mole 0.25 mole 0.4 mole 0.2 mole ANSWER DOWNLOAD EXAMIANS APP