Is copper hydroxide a strong electrolyte and an ionic compound? What is the relationship between ionic compounds and strong electrolytes?

Is a strong electrolyte;
Yes;
No necessary connection;
Most of the ionic compounds are strong electrolytes, but some are not, for example, mercurous salts, but these generally high school do not need to master;

Is a strong electrolyte;
Yes;
No necessary connection;
Most of the ionic compounds are strong electrolytes, but some are not, such as mercurous salts, but these are do not need to master;

FeBr2 or FeBr3?

FeBr3
Because the product of the reaction of iron and bromine is also FeBr3

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3. Manganese dioxide appears in the laboratory when potassium permanganate and hydrogen peroxide are used to produce oxygen. A Manganese dioxide is a reactant in both reactions B Manganese dioxide is a product in both reactions C Manganese dioxide is a catalyst in both reactions D Manganese dioxide is a product in the former reaction and a catalyst in the latter.
4. Chemical equation for oxygen production from hydrogen peroxide and potassium permanganate in laboratory
5. The laboratory uses potassium permanganate, potassium chlorate and hydrogen peroxide solutions to produce oxygen. Please answer the following questions. The laboratory uses potassium permanganate, potassium chlorate and hydrogen peroxide solutions to produce oxygen. Please answer the following questions. (1) It is correct to state that A can be used with the same gas generating apparatus B can be used with the same gas to the same basic reaction type D reaction conditions are the same (2) In the preparation process, the catalyst to be added to the raw material in advance is (fill in the raw material name)______________ (3) If the solid residue after potassium permanganate oxygen production is added to potassium chlorate, the reaction process of potassium chlorate oxygen production can also be accelerated because ______________________________
6. The experiment-the process of producing oxygen with potassium permanganate, hydrogen peroxide, potassium chlorate, the difference and the same The experiment -- the process of producing oxygen with potassium permanganate, hydrogen peroxide, potassium chlorate, the difference and the same
7. The advantage of producing oxygen with hydrogen peroxide is.
8. The action of concentrated sulfuric acid in the esterification reaction can be written as dehydrating agent and catalyst. I know the most accurate should be water absorbent and catalyst
9. The difference between concentrated sulfuric acid and water absorbent The teacher said: Water loss in a single molecule is called dehydration. I think: there is water is water absorption, no water is called dehydration Please answer in detail, to determine the answer
10. A mixed acid solution of hydrogen peroxide and concentrated nitric acid? I am currently in the process of oxidizing carbon nanotubes. I want to do secondary oxidation with hydrogen peroxide. The first step is to oxidize with mixed acid of concentrated nitric acid: concentrated sulfuric acid =1:3, and then oxidize with hydrogen peroxide. If I directly add hydrogen peroxide into the mixed acid, the oxidation effect of hydrogen peroxide will be enhanced, or the oxidation effect of hydrogen peroxide will disappear after hesitating with the reaction of mixed acid? A mixed acid solution of hydrogen peroxide and concentrated nitric acid? I am now in the carbon nanotubes oxidation, currently want to use hydrogen peroxide to do secondary oxidation. The first step is I use concentrated nitric acid: concentrated sulfuric acid =1:3 mixed acid oxidation, and then oxidation with hydrogen peroxide, if I directly add hydrogen peroxide into the mixed acid, the oxidation of hydrogen peroxide will strengthen, or the oxidation of hydrogen peroxide will hesitate to react with the mixed acid and disappear?
11. In the series of Al3+→Al (OH)3→AlO2-→()→Al3+ changes,() A. Al (OH)3 B.AlCl3 C.HCl D.NaOH Why?
12. A literal expression for the reaction of carbon dioxide with calcium hydroxide to produce calcium carbonate and water
13. Is the law of mass conservation calculated by the invariance of element species before and after chemical reaction?
14. Chemical formula of copper ion for caustic soda inspection
15. Why does the separating funnel control the reaction rate? When producing oxygen with hydrogen peroxide Why can the separating funnel control the reaction rate? When producing oxygen with hydrogen peroxide
16. What should be placed in a conical flask in a hydrogen peroxide and manganese dioxide oxygen production facility? What should I put in the funnel?
17. In the experiment of producing oxygen from hydrogen peroxide, if the separating funnel is changed into a long-neck funnel, what are the consequences
18. Production of Oxygen by Hydrogen Peroxide One student mixed 50 g hydrogen peroxide solution with 1 g manganese dioxide to produce oxygen. After complete reaction, the remaining mixed mass was weighed to be 49.4 G 1. Quality of oxygen produced by reaction 2. What is the mass fraction of hydrogen peroxide in the hydrogen peroxide solution used by the student? Manganese dioxide is only used here as a catalyst. Why should it be added? Can you explain the process and the analysis?
19. Production of Oxygen by Hydrogen Peroxide In this experiment, the method of "slowly adding hydrogen peroxide solution to the container containing manganese dioxide to produce and collect oxygen" has the advantage of "adding manganese dioxide to the tube containing hydrogen peroxide solution to produce oxygen ".
20. Comparing the production of carbon dioxide in the laboratory with the production of oxygen from potassium permanganate, the following statements are correct:() A. Gas generator may be the same B. Same reaction conditions C. Gas collection methods may be the same D. Same basic reaction type