Chemistry The most common cause of pollution of air is Sulphur dioxide Carbon dioxide Smoke Carbon monoxide Sulphur dioxide Carbon dioxide Smoke Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Methane Ozone Nitrogen Carbon dioxide Methane Ozone Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Transportation Fuel combustion Industrial process Solid waste disposal Transportation Fuel combustion Industrial process Solid waste disposal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen pentoxide Nitric oxide Nitrogen dioxide Nitrous oxide Nitrogen pentoxide Nitric oxide Nitrogen dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Fats Proteins Carbohydrates Vitamins Fats Proteins Carbohydrates Vitamins ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following commonly used materials, the one that is not an alloy is Steel Brass Copper Bronze Steel Brass Copper Bronze ANSWER DOWNLOAD EXAMIANS APP