Explain substituted hydrocarbon?
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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 nothydrogen power does it ph?
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Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?
Why does a piece of iron float on mercury, but sink in water ?
How is the viscosity of liquid related to its mobility?
how much tds is ok for drinking water
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