What is modern definition(iupac) of ph?
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What is weak acid?
Give the principle of potentiometer titration.
Why can?t the meat and dal( pulses ) be cooled well on the top of high mountains ?
Which expands to the greatest, when heated : silids, liquids or gases ?
What is meant by amalgam ?
Explain the Electrolytic Method ?
Why does a pond of clear water appear less deep than it really is?
Explain acid gas?
How many elements have been discovered ?
Why is a newly made quit warmer than an old one ?
What makes a molecule into organic molecule?
Why do we feel chilly in damp clothes ?