What are hard waters?
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Explain the Physical change?
Difference between heavy hydrogen , Atom Hydrogen and Hydrogen Ion ?
What is importance of principles of solubility product ?
What materials are needed in making glass ?
Which of the above conductivity measured during conductometric titration?
however ozone is havier than oxygen still ozone is up there in sky why?
How can you mark your name on a glass plate by a simple chemical method ?
Why metallic tools used by blacksmiths have wooden handles ?
What is the role of stannous chloride?
How is wood charcoal manufactured ?
What are the soldiers in an army, while crossing a bridge ordered to go out of step?
What is modern definition(iupac) of ph?