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Q. Illustrate the structure of Alkanes? Ans. Alkanes have the general formula C n H 2n+2 . This means that for every n atoms of carbon, there are 2n + 2 atoms of hydrogen.
The role of prion in BSE
How to know which compound is more stable if heat of formation values are given . Ans) Every compound tend to stay in lowest energy possible to be more stable, the less the energy
Among the bonds formed by a chlorine atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed between (1) H- cl
Vinegar, orange juice, and battery fluid are familiar acids. Different acids have different acid strengths. Some characteristics of acids are: They taste sour.
Q. Write short notes on fabrication of rubber objects. Sol. Fabrication of Rubber: in the row condition rubber is composed of molecules of great length and molecular weight.
The covalent compound HCl has the ionic character as: (1) The electronegativity of hydrogen is greater than that of chlorine (2) The electronegativity of hydrogen is equal
The number of unpaired electrons in 1s 2 2s 2 2p 4 is: (1) 4 (2) 2 (3) 0 (4) 1 Ans: 2
what is radiometric titration
what is the precaution
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