Chemistry The main source of Naphthalene is Camphor Diesel Coal-tar Charcoal Camphor Diesel Coal-tar Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is bauxite monazite haematite magnetite bauxite monazite haematite magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Combination reaction Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Methyl salicylate Acetylsalicylic acid Hydroxysalicylate Alkylsalicylic acid Methyl salicylate Acetylsalicylic acid Hydroxysalicylate Alkylsalicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen None of these Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Radon Krypton Argon Helium Radon Krypton Argon Helium ANSWER DOWNLOAD EXAMIANS APP