Chemistry Which of the following is a man-made source of air pollution ? Bacterial action in soil and swamp areas Automobile exhaust Forest fire All of these Bacterial action in soil and swamp areas Automobile exhaust Forest fire All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Organic compounds are Covalent compounds Interstitial compounds Co-ordination compounds Ionic compounds Covalent compounds Interstitial compounds Co-ordination compounds Ionic compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Bromine Silicon Sulphur Phosphorus Bromine Silicon Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Air LPG Gasoline Distilled water Air LPG Gasoline Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is magnesite carnallite dolomite calcite magnesite carnallite dolomite calcite ANSWER DOWNLOAD EXAMIANS APP