Chemistry The chief source of naphthalene is Coal-tar Diesel Charcoal Camphor Coal-tar Diesel Charcoal Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry A mixture of water and alcohol can be separated by Evaporation Filtration Decantation Distillation Evaporation Filtration Decantation Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Transportation Fuel combustion Solid waste disposal Industrial process Transportation Fuel combustion Solid waste disposal Industrial process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Sulphur dioxide Carbon dioxide Nitrogen Helium Sulphur dioxide Carbon dioxide Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Synthetic fibre Modified natural fibre Natural fibre Blend of cotton and silk Synthetic fibre Modified natural fibre Natural fibre Blend of cotton and silk ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? CFC emission Methane emission Deforstation Carbondioxide emission CFC emission Methane emission Deforstation Carbondioxide emission ANSWER DOWNLOAD EXAMIANS APP