Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?
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Explain the Fuel gases ?
Why does a match-stick burn, when struck against the match-box surface
What are the uses of Alloy ?
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?
Explain the following ? Matter, Element, Atom, Compound, Molecule, Mixture, Physical change, Chemical change
Can Someone tell me about pH: 3
Why does a dog hang out his tongue, when it is hot ?
What is flash point ?
What is Basicity of an acid ?
How is hardness of water caused?
what is ppm?how to prepare 75 ppm?
Why is acetic acid added?