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?
why is their exotherm while addition of reducing agents in reduction reaction?
Write the equation of photosynthesis?
What is chemical oxygen demand?
Give the principle of potentiometer titration.
How many electrons does benzene have?
What is si unit of viscosity-coefficient?
Define what is oxidation and reduction reaction?
What is mole?
How is hardness of water caused?
Why is mercuric chloride added?
Write the structural formula for edta.
Mention a few important criteria for satisfactory colorimetric analysis.
What is the role of stannous chloride?
what is difference b/w "regio selectivity" & "sterio selectivity"
