What general group of organic compounds are not oxidesied in the cod test?
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Which is the main constituent in air ?
What is equivalent conductivity?
Why and how is short-circuit caused ?
Why is it more efficient for a labourer to raise bricks up to a brick layer by the use of a rope and pully than by carrying them up a ladder ?
Explain about Oxide ?
Why is ammonia solution added while preparing edta solution?
Which gas is used in refrigeration plants ?
Why does a white paper appear white, when light is not to fall on it ?
What is General Properties of Bases ?
What is modern definition(iupac) of ph?
Hom many total number of inner transition elements are?
Why is the percentage of oxygen today the same as it was thousands years ago, even though the whole world inhals it?