IONIC EQUATION OF DROP IN MINOR AND EXCESS Ca (oH)2 SOLUTION IN NaHCO3 If so, explain whether the replacement reaction occurs or not

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• 1. Reaction Equation of Ca (OH)2 and NaHCO3 The reaction of excess Ca (OH)2 with NaHCO3, the reaction of excess Ca (OH)2 with NaHCO3, and the exact complete reaction Is there any other topic like this that can be taken as an example?
• 2. Chemical Equation for Reaction of NAHCO3 Solution with Excess CA (OH)2 Solution
• 3. The reaction equation of Ca (OH)2 with a small amount of NaHCO 3 and an excessive amount of NaHCO 3 obtained.
• 4. NaHCO3 and Ca (OH)2, NaOH and Ca (HCO3)2 reaction What is the pattern of this weak acid salt reacting with the base NaHCO3 and Ca (OH)2, NaOH and Ca (HCO3)2 reaction What is the pattern of this weak acid salt and alkali reaction
• 5. How to write the chemical equation of carbon incomplete combustion to produce carbon monoxide? The key does not understand the conditions. Do you really write "incomplete combustion "? How to write the chemical equation of carbon incomplete combustion to produce carbon monoxide? Key don't understand the conditions. Really write "incomplete combustion "? How to write the chemical equation of carbon incomplete combustion to produce carbon monoxide? The key doesn't understand the conditions. Do you really write "incomplete burning "?
• 6. CH2=C (CH3)2CH3CHH=CH=CH3 Why is CH2=C (CH3)2 and CH3CH=CHCH3 Functional Isomerism rather than Carbon Isomerism Give an example of the carbon chain isomerization of olefins! Is CH2=C (CH3)2CH3CHH=CH=CH3 Why is CH2=C (CH3)2 and CH3CH=CHCH3 Functional Isomerism rather than Carbon Isomerism Give an example of carbon chain isomerization of olefins!
• 7. Ask why CH2=C (CH3)2 and CH3CH=CHCH3 are carbon chain isomers...
• 8. 6. The cis-trans isomer of the following compounds: A. CH3CH = CHCH3 B.CH3CH2CH2CH = CH2 C.CH3CH = C (CH3)2 D. CH3C≡ CCH3 6. The cis-trans isomer of A. CH3CH = CHCH3 B.CH3CH2CH2CH = CH2 C.CH3CH = C (CH3)2 D. CH3C≡ CCH3
• 9. Is it possible for CH3CH=CHCl (CH3)2C=CHCH3CH2=CCl to form cis-transisomer? Can CH3CH=CHCl (CH3)2C=CHCH3CH2=CCl form cis-transisomer?
• 10. Inspection of ammonium salt Ammonium salt can be tested by adding sodium hydroxide solution for co-heating. Does the solution have to be added? Is it possible to add sodium hydroxide to the solid for co-heating? Is it possible to add other bases? Or must it be strong alkali? Inspection of ammonium salt Ammonium salt can be tested by adding sodium hydroxide solution for co-heating. Does the solution have to be added? Is it okay to add sodium hydroxide to the solid for co-heating? Is it possible to add other bases? Or must it be strong alkali?
• 11. What's the method for making oxygen in the laboratory? Ladies and gentlemen, poor little brother.
• 12. The ion reaction equation in which carbon dioxide is introduced into clear lime water to produce white precipitate and then dissolve
• 13. Is the melting point of the alloy higher or lower than the composition
• 14. The main components of limestone are known as calcium carbonate, which can be decomposed into calcium oxide and carbon dioxide by heating at high temperature. Please write the correct chemical equation ___________. If the content of calcium carbonate is 80% in the existing 125g limestone, how many grams of pure calcium carbonate can be calculated in 125g limestone? _________ If the calcium carbonate of this limestone is fully heated and completely decomposed, how many grams of carbon dioxide can be generated? If the density of carbon dioxide is 2 g/L, what is the volume of carbon dioxide produced?
• 15. Steps for verifying SO42-: add BaCl2 and then add HCl.
• 16. What is produced by mixing a sodium bisulfate solution with a sodium bicarbonate solution? What is the ion equation?
• 17. The mass fraction of alumina (Al2O3) in a bauxite is 88%.
• 18. Fecl3 fecl2 conversion Fecl3→ fecl2 Fecl2→ fecl3 What reagent is added to each reaction? Fecl3 fecl2 conversion Fecl3→ fecl2 Fecl2→ fecl3 What reagents are added to each reaction?
• 19. When a certain amount of iron powder is added to the mixed solution of Cu (NO3)2, AgNO3 and Zn (no3)2 and bubbles are generated, the filtered solids must contain? The filtrate must contain? (Fill in chemical formula)
• 20. In the mixed solution of AgNO3, Cu (NO3)2 and Zn (NO3)2, add a certain amount of iron powder, filter after full reaction, add dilute hydrochloric acid in the filter residue, and gas will be produced. The following conclusions are correct:() A. There must be Fe (NO3)3 in the filtrate B. The filter residue contains only Ag and Cu, and there must be no Zn. C. There must be Ag, Cu and Fe in the filter residue, and there must be no Zn. D. There must be Ag, Cu, Fe and Zn in the filter residue