Chemistry When iron rusts, its weight Remains the same Decreases First increases and then decreases Increases Remains the same Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Noble Gas Laughing Gas Tear Gas Anaesthetic Gas Noble Gas Laughing Gas Tear Gas Anaesthetic Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main component of liquid bleach is: Sodium hypochlorate Sodium chloride Hydrochloric acid Sodium hypochlorite Sodium hypochlorate Sodium chloride Hydrochloric acid Sodium hypochlorite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Propane Phenol Butane Toluene Propane Phenol Butane Toluene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Mild sulphuric acid Hydrogen peroxide Iodine and water Glucose isomerase Mild sulphuric acid Hydrogen peroxide Iodine and water Glucose isomerase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Oxygen Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen Nitrogen dioxide Nitrous oxide Coloured impurities ANSWER DOWNLOAD EXAMIANS APP