which gas is called laughing gas?
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How is librated iodine estimated?
What is electroplating ?
What is modern definition(iupac) of ph?
What are the advantages of potentiometric titration?
What is soot or lamp black ?
What is the octane number range of te petrol used in India ? 1)90-95 2)90-99 3)80-90
why PH scale range is 14? why it is not less or not greater than 14? solution of HCl or hydrogen containing liquid has a PH. but if the solution is KMnO4 here not hydrogen power does it PH? explain plz....
Difference between Physical and Chemical change ?
What is meant by transmittance?
Explain the Valency?
Why is dew formed more readily on clear nights than on cloudy ones ?
4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture: