Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistryHydrogen

What is the result of using Calgon in water treatment?

Options

  1. AThe water becomes harder.
  2. BThe water becomes acidic.
  3. CThe water becomes soft by preventing the precipitation of hardness ions.
  4. DThe water becomes more saline.

Correct answer

C. The water becomes soft by preventing the precipitation of hardness ions.

Step-by-step solution

The use of Calgon in water treatment results in the softening of water by preventing the precipitation of hardness ions.

Practice Hydrogen on Quantrex Academy →

More from Hydrogen

Which of the following statements is NOT true regarding dihydrogen? 2026Which of the following elements belongs to the isotope, tritium? 2026Which of the following mixtures is water gas? 2026Most common isotopes of hydrogen (non-radioactive) is 2019The melting point of solid substances is directly proportional to pressure acting on them. However, ice-melts at a temperature lower than its usual melting point, when the pressure 2016Which of the following atomic and physical properties of hydrogen is false? 2015Point out the correct statement. 2015Number of hydrogen-bonded water molecules associated in CuSO ₄ 5 H ₂ O is 2013 Full Hydrogen list All NEET PYQs