CuSO4+K3Fe(CN)6→FeSO4+K3Cu(CN)6 What is the color of : 1.K3Fe(CN)6?2.K3Cu(CN)6? Chemical reaction Chemical reactions are generally characterized by the occurrence of the physical as well as chemical changes. Inorganic chemical changes, organic...
Explain what would happen to the color of a dilute solution containing FeCl_4^-, if you added a solution of sodium chloride, NaCl. Explain why NaOH is not the best test reagent for detecting Pb2+. When you add CuSO4 + KI, the substance stays clear. When you add hexane to it, it ...
what is the beast afraid of?下图为世界某区域简图，读图回答下列问题。 （1）M地年降水量比周围地区___，其影响因素是___。（2）分析尼罗河三角洲形成的主要原因。 ___（3）请说明S地区气候对其他自然地理环境要...
asuppression of recurrent herpes simplex virus infections 周期性单纯疱疹病毒传染镇压 [translate] aYou don't get to choose,you just fall in love and you get this person who is all wrong and all right at the some time.And you know you love them so much except sometimes they drive you ...
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Water treatment using membrane technology is currently more effective than other alternatives to promote water reuse. Nevertheless, as regards SARS-CoV-2, it can be detected in the size range of 100 ± 10 nm (Goswami et al., 2020; Wu et al., 2021), making it essential to choose the ...
What is the reason for crystal formation in magnesium sulphate salt? How might the FeCl3 test be useful in the preparation of a large-scale batch of aspirin? Why is it necessary to dilute car battery acid before titration? Why does the color of a copper sulfate solution...
What substance is present if the FeCl3 test gives a purple color? Ferric chloride test: Ferric chloride (FeCl3) is used in the qualitative analysis of Organic compounds. In Ferric chloride Fe atom is present in the +3 oxidation state. The FeCl3 solution is ...
---___. It wasn’t very much. A．Don’t worry about it. B．It’s my share. C．None of your business. D．It’s up to you.The current price of a non-dividend-paying stock is 40 dollars per share. Over the next year it is expected to rise to 45 or fall to 35 dollars per...
What color change would get when one drop of BTB toNaOH. Indicator: The term "indicator" refers to a substance that can be used to determine whether a solution is acidic, base, or neutral. It can be created from natural resources or by humans through laboratory methods. ...