Chemistry Which of the following is a metallic ore ? Feldspar Mica Quartz Galena Feldspar Mica Quartz Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of nitrogen Oxides of sulphur Hydrocarbon Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 4.84 x 1017 6.023 x 1019 6.023 x 1023 1.568 x 103 4.84 x 1017 6.023 x 1019 6.023 x 1023 1.568 x 103 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Oxides of nitrogen Oxides of sulphur Carbon monoxide Carbon dioxide Oxides of nitrogen Oxides of sulphur Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cloud is a colloidal dispersion of Water drops in a dispersion medium of air Air in a dispersion medium of water Mist in a dispersion medium of air Fog in a dispersion medium of water Water drops in a dispersion medium of air Air in a dispersion medium of water Mist in a dispersion medium of air Fog in a dispersion medium of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Reduction Dehydration Oxidation Decomposition Reduction Dehydration Oxidation Decomposition ANSWER DOWNLOAD EXAMIANS APP