What is Basicity of an acid ?
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Explain the process of spontaneous combustion?
Mention a few important criteria for satisfactory colorimetric analysis.
What are filters? Why are they used?
What is Nutralication ?
How is cement manufactured ?
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 is the unit of ph?
What is the application of hardness date in environmental engineering practice?
What is the metal used to extract copper from the solution of copper sulphate?
Why does oil thrown on rough sea make it calmer ?
Why has every parachute a hole in the centre ?
We see the sun before it rises above the horizon in the morning. Why?