What forms the basis for colorimetric determination?
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What are constituents of brass?
How is food preserved ?
What is the molarity of a NaOH solution if 32.47ml. isrequired to titrate 0.6013g of potassium hydrogen phthalate?
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?
On the cold morning, a gardener touches the iron blade of his spade with one hand and its wooden handle with other hand. Why does he feel the iron blade to be colder than the wooden handle ?
Explain the Matter?
Why does a pond of clear water appear less deep than it really is?
Which is the best conductor of electricity?
how to do heavy metal test for colour sample?
Why and how is short-circuit caused ?
What is gas-filled lamp ?
Explain the structure of a dna molecule?