Home » The pH of commonly used toothpaste is Acids Bases and Salts MCQs The pH of commonly used toothpaste is December 28, 2021 61 Views Q. The pH of commonly used toothpaste is <6.5≥7.0≥2.2None of these Answer: ≥7.0
During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to
Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following statements are true about the gas evolved?