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Quantitative analysis - Estimation of Elements
After qualitative analysis of elements, the another step in the determination of molecular formula of an organic compound is the estimation of several elements by mass, that is finding the percentage composition of the elements by mass. The several methods generally employed for the estimation of principal elements are as follow:
1. Carbon and Hydrogen
2. Nitrogen
3. Halogens
4. Sulphur
5. Phosphorous
6. Oxygen
The tendency to form electrovalent bond is largest in (1) A (2) B (3) C (4) D
Which of the following electron transition in a hydrogen atom will require the largest amount of: (1) From n-1 to n=2 (2) From n= 2 to n=3 (3) From n= ∞ to n=
We can find a compound is acid or base by using litmus test. Acides turnes red litmus to blue colour, in case of base it turnes blue litmus to red.(or) According to arrhenius
An e - has magnetic quantum number as 3, what is its principal quantum number: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
Is sericulture possible at 35 dgree centigrade?
easy ways to find basic radicals in qualitative analysis
Can you give me an activity about hybridization? I badly need some help
What is it?
Which of the following compounds are covalent: (1) H 2 (2) CaO (3) KCL
As the electron move away from the nucleus,its potential energy
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