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does lowered pH of water affect dissolved oxygen?
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 +
no mg eqivalent of solute per liter of solution
what is the modern purpose of this reaction?
4.4g of a gas at stp occupies a volume 2.27l. The gas is
4Be9+2He4-6C12+0n1
Describe why shielding is more effective by electrons in a shell of lower principle quantum number than by electrons having the similar principle quantum number.
Q. Reactions with metals? Ans. Halogens commonly undergo reactions with metals. Halogens react with the alkali metal family, Group IA in the periodic table. For example,
The interatomic distances in H 2 and Cl 2 molecules are 74 and 198 pm respectively. The bond length of HCl is : (1) 272 pm (2) 1
what is the mass of a proton and electron
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