Home » Which one of the following can be used as an acid-base indicator by a visually impaired student? Acids Bases and Salts MCQs Which one of the following can be used as an acid-base indicator by a visually impaired student? December 28, 2021 21 Views Q. Which one of the following can be used as an acid-base indicator by a visually impaired student? LitmusTurmericVanilla essencePetunia leaves Answer: Vanilla essence
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?