Hardness
COD
BOD
fluoride
reverse osmosis
100
bicarbonates of calcium and magnesium
Which salts cause temporary hardness
100
silver sulphate
What is the catalyst used
100
20 degree
What is the incubation temp
100
colorimetric
What is the principle of SPADNS
100
PMMA
What is the membrane used
200
chlorides and sulphates of ca and mg
Which salts cause permanent hardness?
200
mercuric sulphate
Which reagent prevents cl ion interference
200
5 days
What is incubation period
200
570nm
What is max wavelength absorption for yellow colour
200
applied pressure is greater than osmotic pressure
What is RO
Continue
ESC
Reveal Correct Response
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