Interested to Buy Any Domain ? << Click Here >> for more details...
what is hardnes & how hardnes can be analysed.
- 3 Answers
- 8470 Views
- Thermax, I also Faced
- E-Mail Answers
Answer Posted / karri.sureshkumar07
hardness means presence of Calcium and Magnesium carbonates
and bicarbonates, these can be analysed by titration with
EDTA ( Ethylene Diamino tetra acetic acid ) using muroxide
and Eriochrome black-T as indicators
For calcium hardness muroxide is the indicator colour
change is pink to violet ( brinjal flower colour)
For total hardness determination EBT is the indicator
colour cange is pink to blue
| Is This Answer Correct ? | 12 Yes | 1 No |
Post New Answer View All Answers
Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not?
Explain what is an oxidizing agent?
What are the factors which affect corrosion? : Electrochemistry Corrosion
What is the process for the removal of salts from brackish water or seawater to make it usable?
What are the methods used to control the corrosion? : Electrochemistry Corrosion
What is a tripod?
pls send me ongc privious entarnace exam papers
why using HCLO4 in potentiometry?. what are the chacterestics of HCLO4.
Explain what are the hydrocarbons?
Examine samples of ldpe (sandwich bag, squeeze bottle) and hdpe (milk jug, grocery bag). What are some of the differences in the physical properties of these substances? : Polymer Chemistry
Define an isomer?
Name the two most common end-products of alcoholic fermentation?
i am going to face exam for the post of executive trainee (chemistry) in M.P Power generation company,i want to know the level of exam ,type of questions can be asked,and about any book whigh i can refer.
Define electro plating and electroless plating? : Electrochemistry Corrosion
What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry
