Chemistry The chemical name of quartz is Sodium phosphate Calcium oxide Calcium phosphate Sodium silicate Sodium phosphate Calcium oxide Calcium phosphate Sodium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Iron Bauxite Manganese Copper Iron Bauxite Manganese Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Sugar Table salt Iodine Potassium Iodide Sugar Table salt Iodine Potassium Iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? Formation of lather with soap None of these Distillation Boiling Formation of lather with soap None of these Distillation Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Ethylene Styrene Acetylene Methane Ethylene Styrene Acetylene Methane ANSWER DOWNLOAD EXAMIANS APP