Water is said to be ‘hard’ if it

Home » Past Questions » Chemistry » Jamb » 1984 » Water is said to be ‘hard’ if it
Chemistry JAMB 1984

Water is said to be ‘hard’ if it

  • easily forms ice
  • has to be warmed before sodium chloride dissolves in it
  • froms an insoluble scum with soap checkmark
  • contains nitrates
  • contains sodium ions

The correct answer is: C

Explanation

No official explanation is available for this question at this time. Please check contributions posted by others below. If you can provide an explanation to help other student learn.
Previous Question Next Question

Leave A Comment