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I have 4 assignments for unit 22 chemistry btec level. Are you able to do my assignments by friday?
For the formation of covalent bond, the difference in the value of electron egativities should be: (1) Equal to or less than 1.7 (2) More than 1.7 (3) 1.7 or mor
equivalent weight of h3po2
Q. Explain about Monohalides? Monohalides of the type M 2 X 2 , (where X = F, C1 and Br) are formed only by 0. S and Se. Oxygen monofluoride decomposes above 25 K. These monoha
Effect of substituent on acidic nature (a) An electron withdrawing substituent that is - I effect stabilizes the anion by dispersing the negative charge and hence increases the
Preparation of chemical reagents I. Purpose of the Experiment A reagent is any substance in a chemical reaction. Different reagents are used for laboratory experiments
Q. Show the Occurrence of the f-block element? Apart from promethium which is unstable and is found in traces in uranium ores, all the lanthanides usually occur together. Altho
What is chemical formula for Borax? Ans) Chemical formulae of borax is (Na 2 ) B 4 (O 7 ) .10(H 2 ) O
Quantitative elemental analysis: The instrument used for AFS consists of atom reservoir that might be a flame or a furnace etc., a basic source emitting the features absorptio
Why liquids rise in the cappilary tube ? Explain.
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