What is dextro-rotatory and levo-rotatory?
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What general group of organic compounds are not oxidesied in the cod test?
Define Atom ?
Acid value defination is numbber milligrams of KOH required to nuetralise the acid present in one gram oil & fats but why not use NaOH for nuetralisation?
Why is estimation of copper done at 620 nm wave length?
How can the iron sheets be prevented from rusting ?
what is the formula of diesel,petrol & CNG too?
What is General Properties of Bases ?
what is the difference between heat and temperature?
Explain the Purification of Organic Compounds ?
Why do eye-glasses become fogged, when the wearer comes form the cold outdoors into a warm room ?
why helium does not react with other elements?
Why is heat more oppressive on a damp hot day ?