Home ยป The hardest substance in the human body is Acids Bases and Salts MCQs The hardest substance in the human body is December 28, 2021 2 Views Q. The hardest substance in the human body is Tooth EnamelFemurTemporal boneNone of the above Answer: Tooth Enamel
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?