Chemistry Burning pyrites ore gives out Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas Carbon dioxide gas Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas Carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Iodine Potassium iodate Sodium iodide Potassium iodide Iodine Potassium iodate Sodium iodide Potassium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a Bakelite ? Base Solution Polymer Acid Base Solution Polymer Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Independent Additives Synergism Antagonism Independent Additives Synergism Antagonism ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 5 2 4 3 5 2 4 3 ANSWER DOWNLOAD EXAMIANS APP