Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


B)rain because the soap can give more lather in pure water.The rain water is the best source of pure water among the given options.
0 0 0
The answer is B) Rain water  ; when can get (almost)  pure form of water from the rain water; since Tap , well and Handpump water contains Calcium(Ca²⁺) and Magnesium(Mg²⁺) ions These binds with the soap molecule forming insoluble soap dirt (lime soap) , which results in wastage and decrease in action of soap. literally, Rain water due to absence of Ca and Mg ions is termed Soft water.
1 5 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts