Chemistry Which gas is used as fire extinguisher ? Carbon monoxide Carbon dioxide Sulphur dioxide Carbon suboxide Carbon monoxide Carbon dioxide Sulphur dioxide Carbon suboxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Digestion of food Burning of paper Burning of coal Conversion of water into steam Digestion of food Burning of paper Burning of coal Conversion of water into steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are All listed here Silver Iodide Sodium Chloride Dry ice or frozen carbon dioxide All listed here Silver Iodide Sodium Chloride Dry ice or frozen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Aluminium sulphate Aluminium powder Solder None of these Aluminium sulphate Aluminium powder Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A weak electrolyte Initially weak and then become a strong electrolyte A strong electrolyte A non-electrolyte A weak electrolyte Initially weak and then become a strong electrolyte A strong electrolyte A non-electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP