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Q. How to Prepare Chlorine in Laboratory? Chlorine is prepared by oxidation of hydrochloric acid with potassium permanganate: 2KMnO 4 + 16HCl -> 2KCl + 2MnCl 2 + 8H 2 O +
a. 'Hormones are chemical messengers.' Explain? b. Name the main disease caused due to lack of the vitamin and its source in each of the following: A, B 6 and E.
write on blow moulding and thermoforming extensively. 3 pages
A 0.5M solution of NaNO2 is made. What is the pH of the solution?
The ionization energy of hydrogen atom is -13.6eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co
Photon absorption for IR spectroscopy Absorption spectroscopy refers to spectroscopic methods which measure the absorption of radiation, as a function of frequency or waveleng
define every property of each element
what is degree of freedom?
Definitions Oxidation exactly meant 'combination with oxygen' and reduction 'removal of oxygen'. These definitions have been illustrated. Oxidation implies combination with a
write short note on vulcanization?
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