Chemistry Which of the following is used to iodise common salt ? Iodine Potassium iodide Potassium iodate Sodium iodide Iodine Potassium iodide Potassium iodate Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - CO32- H2CO3 - HCO3 CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - CO32- H2CO3 - HCO3 CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as best adsorbent? Charcoal Activated Charcoal Activated Coconut Charcoal Carbon black Charcoal Activated Charcoal Activated Coconut Charcoal Carbon black ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium metabisulphite Saccharin BHT Sodium sulphate Sodium metabisulphite Saccharin BHT Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x/36 x/6 5x 7.2 x 5x/36 x/6 5x 7.2 x ANSWER DOWNLOAD EXAMIANS APP