Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these 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
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Galvanisation Sublimation Reduction Corrosion Galvanisation Sublimation Reduction Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium sulphate Calcium borate Calcium chloride Calcium phosphate Calcium sulphate Calcium borate Calcium chloride Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Phosphorus trichloride Phosphorus pentoxide Red phosphorus White phosphorus Phosphorus trichloride Phosphorus pentoxide Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS