Chemistry Removal of carbon particles from air involves the principle of Sedimentation Filteration Precipitation Electrophoresis Sedimentation Filteration Precipitation Electrophoresis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 300 km 100 km 200 km 150 km 300 km 100 km 200 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in methanol Ethylene glycol Gaseous formaldehyde Formaldehyde in water Formaldehyde in methanol Ethylene glycol Gaseous formaldehyde Formaldehyde in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.158 0.323 0.273 0.201 0.158 0.323 0.273 0.201 ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Bauxite Chromite Mica Manganese Bauxite Chromite Mica Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used to melt metals Used as an explosive Used to fuse two metals Used as an abrasive Used to melt metals Used as an explosive Used to fuse two metals Used as an abrasive ANSWER DOWNLOAD EXAMIANS APP
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