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Procedures for determination and monitoring of shelf life Direct shelf life determination requires batches of samples to be taken at significant stages in the development or m
Q. Explain the structure of Alkenes? Ans. Alkenes have the general formula C n H 2n . Therefore, for every n carbon atoms, there are 2n hydrogen atoms. Alkenes have C =
the diagnal relationship in periodic table
The structure of external most shell of inert gases is; (1) s 2 p 3 (2) s 2 p 6 (3) s 1 p 2 (4) d 10
Q. What is Peroxodisulphuric Acid? It is also known as perdisulphuric acid or simply persulphuric acid. The acid can be obtained by the action of chlorosulphonic acid on H 2 0
The energy of an electron in the first Bohr orbit of H atom is-13.6eV . The possible energy value(s) of the excited state(s) for electrons in Bohr orbits to hydrogen is(are):
1) A 100 mL 0.4M acetic acid soln is titrated with 0.5M NaOH. Write a reaction equation to work the following: a) What volume of the base would be required to reach the equivalenc
Q. How to calculate Percent Yield? Ans. When you make cookies the recipe may claim to make a certain number of them, but usually in the end there are less. There might be
Q. Show the Multiple covalent bonds between electron pairs? Ans. Two atoms may share one electron pair, two electron pairs or three electron pairs. The bonds formed in th
preparations of hydroquinone
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