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Answer Posted / guest
When kerosene oil is burnt, lamp black is produced it is a
from of carbon.
| Is This Answer Correct ? | 8 Yes | 16 No |
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Mention the formula to calculate ph of a solution?
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?
How is temporary hardness be removed?
What is colorimetry?
Why ph scale range is 14? Why it is not less or not greater than 14?
Why is estimation of copper done at 620 nm wave length?
Explain substituted hydrocarbon?
What is the white precipitate produced at the end of point?
How is the accuracy of the method determined?
Differentiate between organic and inorganic chemistry?
What is the metal used to extract copper from the solution of copper sulphate?
Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?
Why is mercuric chloride added?
How are pka and strength of a weak acid related?
What is dextro-rotatory and levo-rotatory?
