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The valence electron in the carbon atom are:
(1) 0
(2) 2
(3) 4
(4) 6
Ans: 4
to study the presence of aroma,taste, ph value and tannic acid of different tea leaves
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Assignment
Lassaigne method This is employed to detect halogen, nitrogen and sulphur. Organic compounds are fused along with dry sodium in a fusion-tube and fused mass after extraction wi
1 gram of pure sodium carbonate is dissolved in water and the solution is made up to 50 ml of this solution 50 ml of 0.1 N HCl is added whose volume is 50 ml and the mixture furthe
#notes
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