Chemistry The water pollution in river is measured by the dissolved amount of Ozone Nitrogen Oxygen Chlorine Ozone Nitrogen Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of sulphur Smoke Hydrocarbon Oxides of nitrogen Oxides of sulphur Smoke Hydrocarbon Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Titanium Iron Copper Aluminium Titanium Iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Sulphuric acid Nitric acid Hydrochloric acid Phosphoric acid Sulphuric acid Nitric acid Hydrochloric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Twice its vapour pressure Equal to its vapour pressure Half its vapour pressure Not related to its vapour pressure Twice its vapour pressure Equal to its vapour pressure Half its vapour pressure Not related to its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Manganese Calcium Magnesium None of these Manganese Calcium Magnesium ANSWER DOWNLOAD EXAMIANS APP