What is the application of hardness date in environmental engineering practice?
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What variety of carbon is used for refining purposes ?
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?
What is Basicity of an acid ?
Hom many total number of inner transition elements are?
What is given off on burning a candle ?
Which is the hardest substances know ?
What is density of a liquid?
Mention a few important criteria for satisfactory colorimetric analysis.
Why can?t snowballs be made in very cold weather ?
Why is a newly made quit warmer than an old one ?
Which element is nether a solid nor a liquid?
Explain the Matter?