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explain ion-exchange process for slution of hard water
When a result of barium nitrate and a solution of copper(II) sulphate are mixed a chemical reaction produces solid barium sulphate which sinks to the bottom and a solution of coppe
Which is the correct relationship between wavelength and momentum of particles: (1) γ= h/ p (2) Π h/ p (3) p= h/ γ (4) h= p/ γ Ans: γ= h/ p
Q. What do you mean by Polymerisation Isomerism? This term is used to describe compounds having same empirical formula but different molecular compositions. The difference from
Number of unpaired electrons in Mn 4+ is: (1) 3 (2) 5 (3) 6 (4) 4 Ans: 3
(a) Using Lewis structures to describe your reasoning, describe why the following ions have different bond angles: ClO2 - and NO2 - (b) Given that the spatial arrangement of a
What is the difference between a theory and a hypothesis? What is the difference between a hypothesis and a law? Is there a sequential move from one to another, amongst law, theory
why does Jamie hooper like men?
x grams of calcium carbonate was completely burnt in air.the weight of solid residue formed is 28 g.what is the vlue of x in grams?
Alum is a chemical (aluminum potassium sulphate) it tends to be whitish powder with various uses.
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