Why is starch indicator added towards the end point?
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How is the measurement of ph made?
With what metal, chocolates, cigarettes etc. are wrapped ?
Why is it dangerous to have a coal fire burning with doors and windows closed ?
What are the electrodes used in potentiometer titration?
What is wave number?
What is soot or lamp black ?
Why is disodium salt of edta preferred to edta?
What is the reaction that occurs during the titration?
What is an alloy ?
Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?
How is water purified on large scale, for drinking ?
Why is ammonium hydroxide added to the brass solution?