Chemistry Petroleum is a mixture of Elements Polymers Salts Hydrocarbons Elements Polymers Salts Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metals commonly used for electroplating are Gold, Sodium and Chromium Nickel, Lead and Chromium Gold, Sodium and Potassium Chromium, Copper and Nickel Gold, Sodium and Chromium Nickel, Lead and Chromium Gold, Sodium and Potassium Chromium, Copper and Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Chlorine Oxygen Ozone Nitrogen Chlorine Oxygen Ozone Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The 'solid waste' is also known as Sludge Scrubber Toxic waste Sedge Sludge Scrubber Toxic waste Sedge ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitramines Ammonia Nitrites Nitrates Nitramines Ammonia Nitrites Nitrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Sulphur dioxide Carbon monoxide Smoke Carbon dioxide Sulphur dioxide Carbon monoxide Smoke ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS