Difference between an Atom and an Ion ?
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What is chemistry ?
How is brass solution prepared?
What is glacial acetic acid? What are its uses?
how to do heavy metal test for colour sample?
which gas is called laughing gas?
What is german silver?
Why is salt thrown on the frozen road ?
Of what substance are lead pencils made ?
How is cement manufactured ?
Why does a freely suspended magnetic needle always point North and South ?
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?
How is the measurement of ph made?