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Solid FeSO4 easily absorb water.
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Why should only freshly prepared solution of ferrous sulphate solution be used?
baking soda
What is the solution for FeSo4 plus BaCL2?
FeSO4+BaCl2=>FeCl2+BaSO4
How would you stir a solution freshly prepared in a volumetric flask?
You swirl the liquids in volumetric flasks to mix them.
Why do you need freshly prepared starch solution for iodometric titration?
because,starch undergoes a photochemical reaction. So, with the passage of time it can under go to the photochemical reaction and starch wouldnot be starch but it might have changed in anyother product. so...we should use freshly prepared starch.
Which metal that react with dilute sulfuric acid and give a green solution?
that's what i want answered
Why freshly prepared FeSO4 subjected NO2 gives brown black colour?
Brown ring test: NO2- + H+ = NO NO + FeSO4 = [Fe(NO)]SO4
Why is it important that fehlings solution be freshly prepared?
Fehling's solution must be freshly prepared because there is a tendency for it to oxidize if not used right away
Why you use freshly prepared ferrous sulphate solution in detection of nitrogen?
Because in FeSO4, iron present in +2 oxidation state but the stable oxidation state is +3. The Fe(II) get oxidized into Fe(III) in ferrous sulfate solution that's why preparation of solution must necessary.
Why should only freshly prepared solution of ferrous sulphate solution be used?
baking soda
What is the color of the aqueous solution of CuSO4 and FeSO4?
The solution of CuSO4 is blue.The solution of FeSO4 is green.
Why sodium thiosulphate solution is prepared in freshly boiled and cooled water?
why sodium thiosulfate to be prepared in hot water only
What is the solution for FeSo4 plus BaCL2?
FeSO4+BaCl2=>FeCl2+BaSO4
How would you stir a solution freshly prepared in a volumetric flask?
You swirl the liquids in volumetric flasks to mix them.
What colored coating is formed on adding zinc granules to freshly prepared ferrous sulphate solution?
A grayish coating is formed.
Why do you need freshly prepared starch solution for iodometric titration?
because,starch undergoes a photochemical reaction. So, with the passage of time it can under go to the photochemical reaction and starch wouldnot be starch but it might have changed in anyother product. so...we should use freshly prepared starch.
What is pH solution?
Equivalent weight of under lined species. feSo4
Why should benzidine reagent be freshly prepared?
Benzidine reagent is used to test blood in urine. It needs to be freshly prepared in order to obtain best results, otherwise, possible contamination may occur.
