Permanent hardness of water cannot be removed by which one of the following methods?
Asked in UPSC NDA 2 2018 · Topic: Hydrogen and Its Compounds (Hard and Soft Water: Causes of hardness and methods for removal)
More Chemistry questions
- Pure, demineralized water, free from all soluble mineral salts is obtained by which of the following method?
- Which of the following statements are correct regarding Heavy Water? 1. Heavy water occurs naturally or it is produced by the process of electrolysis. 2. Pure heavy water is radioactive. 3. Heavy water is used in nuclear power plants as a coolant. 4. Though algae and bacteria can live using 100% heavy water, but consumption of heavy water by humans may cause sterilisation.
- Which of the following statements regarding heavy water are correct? 1. It is extensively used as a moderator in nuclear reactors 2. It cannot be used in exchange reaction to study reaction mechanism 3. Viscosity of heavy water is relatively smaller than that of ordinary water 4. The dielectric constant of heavy water is smaller than that of ordinary water Select the correct answer using the code given below:
- Heavy water is so called because it
- Heavy water of an atomic reactor is :
- Which one of the following is the chemical name of heavy water ?
- Heavy water (Nuclear science)
- Heavy water is