What is the purpose of adding urea?
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why all the concentration of chemical species are measured using water as solvent (for examole 1N NaOH means 40 g of NaOH in one litre of water)eventhough there are so many solvents available?
Why is ammonia solution added while preparing edta solution?
What is weak acid?
However ozone is heavier than oxygen still ozone is up there in sky why?
Why does a match-stick burn, when struck against the match-box surface
which gas is used in preaparation of bit salt
Explain the Avogadro?s law
Is water element or compound ?
What is the monomer of polyethene?
What is modern definition(iupac) of ph?
Explain the Atom?
Is diamond element ?