What is the basicity/acidity of na2co3
Which is the hardest substances know ?
How is water purified on large scale, for drinking ?
how to do heavy metal test for colour sample?
Explain the Charle?s law ?
Why does milk turn sour ?
What is the difference between fractionation and distillation?
Explain the Conversion of atmospheric Nitrogen to plant ?
What is dextro-rotatory and levo-rotatory?
When we heat one end of and iron bar, the other end also gets heated up why ?
Why graphite rod is used in nuclear reactor?
how will you jug that the give organic compound is pure or not ??????
Explain how buffer works?