What is edta?
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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....
Which is the main constituent in air ?
What is Molecular Formula ?
What is specific conductivity?
Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?
Mention the different types of conductivities.
Explain extraction of ephedrine from a mineral block?
Explain about Atomic Weight ?
What general group of organic compounds are not oxidesied in the cod test?
Difference between an Atom and an Ion ?
Why is a vessel of water heats more quickly, when heat is applied at the bottom than it is heated at the top?
What is Electrovalence?