Explain the term aliquot and diluent?
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Mention the formula to calculate ph of a solution?
Why is heat more oppressive on a damp hot day ?
How is the viscosity of liquid related to its mobility?
What is the purpose of adding urea?
How is the accuracy of the method determined?
Which gas is used in refrigeration plants ?
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 oxy-hydrogen flame ?
How many elements have been discovered ?
Define what is oxidation and reduction reaction?
What is Valency ?
Which halogen element is used in halogen light?