Explain hardness - water softening, Civil Engineering

Assignment Help:

Explain Hardness - Water Softening

1) Hardness is used to characterize a water that does not lather well, causes a scum in the bath tub and leaves hard, white, crusty deposits when water is heated

2) Calcium or magnesium forms soap- Ca or Mg complex and prevents soap from interacting with dirt

3) Hardness- caused mainly by Calcium and Magnesium(actually all polyvalent ions)

4) Common units are meq/l or mg/l as CaCO3


Related Discussions:- Explain hardness - water softening

Calculate uniform annual cost for maintenance and repair, A contractor purc...

A contractor purchased a Caterpillar D-13 dozer for $100,000 and owned it for five years. The annual cost for maintenance and repair is provided in the Table. With annual interest

Computer programming, compare 2 numbers and print either the message identi...

compare 2 numbers and print either the message identifying the greater than number(or) the message starting that both number are equal

Define project scheduling - types of methods, Define Project Scheduling - T...

Define Project Scheduling - Types of Methods Project Scheduling - Distinction between the Major Types of Schedule Diagrams Precedence Diagrams (PDM)   a) Activ

Define the meanings of texture, a) Define the meanings of 'texture' and 'st...

a) Define the meanings of 'texture' and 'structure' of a soil. b) Write the meaning of 'black cotton soil'? Indicate the geological and climatic conditions that tend to make

What is the meaning of term - slip in anchorage, What is the meaning of ter...

What is the meaning of term -Slip in Anchorage In the case of post-tensioned concrete, when the tendons are anchored at the ends of concrete members, a slip of  tendons takes

Ropeways, Ropeways: The system of ropeways consists of : (a) a cabl...

Ropeways: The system of ropeways consists of : (a) a cable suspended between towers, and (b) cars which move on the cable. Case with capacity upto 20 passengers is us

Geotech, for zero air void line sr is

for zero air void line sr is

Design features of major bridge, Q. Design features of major bridge? Im...

Q. Design features of major bridge? Important design features of major bridge projects should be tested and finalised by hydraulic model studies. Bridge waterway, shape, length

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd