Hardness
COD
BOD
100
hardness expressed interms of CaCO3 equivalent
how hardness is expressed
100
Acts as catalyst
What is the role of AgSO4
100
winklers iodometry
Which method is employed to determine DO of water sample
200
by boiling
How temporary hardness can be removed ?
200
HgSO4
Which will remove chloride ion interference
200
Micro nutrient
role of FeCl3
300
By RO method
How permanent hardness can be removed
300
Plastics
which materials cannot be estimated by COD
400
Robert Di Niro said this famous line as he imagined a confrontation which would give him a chance to draw his gun.
What is "You Talkin' to me?" -Taxi Driver
400
Nails, skin, and hair are created from this building block.
What is keratin?
400
Credited for his famous collection of fables he was once a slave in ancient Greece.
Who is Aesop
500
Harry Callahan played by Clint Eastwood told the robbers in this famous movie "Go Ahead, make my day."
What is Sudden Impact
500
The digestive system starts its work here.
What is the mouth?
500
For women this was known to be a sign of intelligence in ancient Greece, this past trend would now be considered a fashion faux pas.
What are unibrows
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