Ask a Question

Which one of the following processes will produce hard water?

← Prev Question Next Question →
+1 vote
19 views
asked Mar 31, 2018 in Chemistry by paayal (26,720 points) ● 4 ● 6 ● 11

Which one of the following processes will produce hard water?
(a) Saturation of water with CaCO3
(b) Saturation of water with MgCO3
(c) Saturation of water with CaSO4
(d) Addition of Na2SO4 to water.

1 Answer

0 votes
answered Mar 31, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Apr 1, 2018 by Vikash Kumar
 
Best answer

(c) : Permanent hardness is introduced when water passes over rocks containing the sulphates or chlorides of both of calcium and magnesium.

← Prev Question Next Question →

Related questions

+1 vote
1 answer
Which one of the following is an amphoteric oxide?
asked Mar 31, 2018 in Chemistry by paayal (26,720 points)

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon
~~~*****~~~

Related questions

© 2017 Sarthaks eConnect
Managed by Sarthaks Digitizing India
...