Permanent hardness of water may be removed by the addition of
1 Alum
2 Sodium carbonate
3 Lime
4 Potassium permanganate
Answer Posted / guest
(2) Sodium carbonate
| Is This Answer Correct ? | 49 Yes | 13 No |
Post New Answer View All Answers
When was the first rocket launched from thumba?
hai i am koti reddy panta.studying 3rd mca.i failed in my degree. shell i consider those subjects as backlogs
Which is the most famous comet?
172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits
What are cosmic rays?
Who is the second female cosmonaut?
what would be the fate of life on earth 10 yrs down the lane.
In which year, physical laboratory in ahmedabad was founded?
Which are the important pulsating nebulae?
On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.
how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'
I am a student of class 12. PCMB group. I am not getting admission in any of the medical colleges. And I am not good at math. So what are the options available for me????
171.116.0.0 VLSM require 112 ip addresses answer = 128/23 255.255.254.0 rang 2 network address 172.116.0.0 gateway 172.116.1.0 broadcast 172.116.127.0
Write about recreational function of Science
What are comets?