Home ยป In the presence of normal acids, Phenolphthalein colour remains Acids Bases and Salts MCQs In the presence of normal acids, Phenolphthalein colour remains December 28, 2021 5 Views Q. In the presence of normal acids, Phenolphthalein colour remains PinkColourlessOrangeNone of the above Answer: Colourless
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?