Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone oxygen methane helium ozone oxygen methane helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as anesthetic ? NO NO2 NH3 N2O NO NO2 NH3 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium bicarbonate Sodium nitrate Sodium carbonate Sodium chloride Sodium bicarbonate Sodium nitrate Sodium carbonate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a colloidal system in which: Fat is dissolved Water is dispersed in fat Fat is dispersed in water Fat and water are dispersed in each other Fat is dissolved Water is dispersed in fat Fat is dispersed in water Fat and water are dispersed in each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Hydrogen Helium Methane Nitrogen Hydrogen Helium Methane ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS