what is the relation between Total organic carbon and Chemical
Oxygen demand?
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Why is ammonia solution added while preparing edta solution?
Give the principle of potentiometer titration.
How are ph and pka related?
Explain the Atom?
What is a cell?
What is electroplating ?
Which expands to the greatest, when heated : silids, liquids or gases ?
What causes smoke to curl up into the air ?
What is meant by transmittance?
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If the stopper if a bottle has stuck, sometimes it may be removed by heating the neck, why ?