What are the names of the three different rays emitted by
radioactive substances ?
Why is estimation of copper done at 620 nm wave length?
Fresh form of water is obtained from?
Explain extraction of ephedrine from a mineral block?
What is the composition of ferroin?
How are pka and strength of a weak acid related?
Difference between Physical and Chemical change ?
Explain the Different types of solutions ?
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....
What makes a molecule into organic molecule?
What materials are needed in making glass ?
what is the name of the material used in making the plates used for serving food in hotels?
Why is glass electrode called an ion selective electrode?