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Edexcel (9-1) Topic 3

https:// revisechemistry.uk 12 preguntas

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Preguntas del test (12)

  1. 1The higher the concentration of hydrogen ions in an acidic solution, the lower the pH
    1. AVerdadero
    2. BFalso
  2. 2As hydrogen ion concentration in a solution increases by a factor of 10, the pH of the solution decreases by [blank_start]1[blank_end]
    1. A1
  3. 3Complete the diagram to show the different colours indicators turn for these different solutions. Two have been completed for you.Imagen de la pregunta 3
    1. Agreen
    2. Borange
    3. Cred
    4. Dpurple
    5. Eyellow
    6. Fcolourless
    7. Gpink
  4. 4A positive test for hydrogen gas would be to bubble it through limewater, and it turn cloudy/milky.
    1. AVerdadero
    2. BFalso
  5. 5Which of the following salts are soluble?
    1. Asodium chloride
    2. Bsodium nitrate
    3. Csilver chloride
    4. Dbarium sulfate
    5. Ebarium chloride
    6. Fsodium carbonate
    7. Gcopper carbonate
    8. Hcalcium hydroxide
  6. 6electrolysis of copper chloride solution will form:
    [blank_start]copper[blank_end] at the cathode
    [blank_start]chlorine[blank_end] at the anode

    electrolysis of sodium chloride solution will form:
    [blank_start]sodium[blank_end] at the cathode
    [blank_start]chlorine[blank_end] at the anode

    electrolysis of sodium sulfate solution will form:
    [blank_start]sodium[blank_end] at the cathode
    [blank_start]oxygen[blank_end] at the anode

    electrolysis of water acidified with sulfuric acid will form:
    [blank_start]hydrogen[blank_end] at the cathode
    [blank_start]oxygen[blank_end] at the anode

    electrolysis of lead bromide will form:
    [blank_start]lead[blank_end] at the cathode
    [blank_start]bromine[blank_end] at the anode
    1. Acopper
    2. Bhydrogen
    3. Cchlorine
    4. Doxygen
    5. Esodium
    6. Fhydrogen
    7. Gchlorine
    8. Hoxygen
    9. Isodium
    10. Jhydrogen
    11. Koxygen
    12. Lsulfur
    13. Mhydrogen
    14. Noxygen
    15. Osulfur
    16. Poxygen
    17. Qhydrogen
    18. Rsulfur
    19. Slead
    20. Thydrogen
    21. Ubromine
    22. Voxygen
  7. 7sodium + [blank_start]hydrochloric[blank_end] acid → [blank_start]sodium[blank_end] chloride + water

    [blank_start]copper[blank_end] oxide + sulfuric acid → copper [blank_start]sulfate[blank_end] + water

    [blank_start]potassium[blank_end] hydroxide+ [blank_start]nitric[blank_end] acid → potassium nitrate + water

    [blank_start]magnesium[blank_end] carbonate + hydrochloric acid → magnesium [blank_start]chloride[blank_end] + water + [blank_start]carbon dioxide[blank_end]
    1. Ahydrochloric
    2. Bsodium
    3. Ccopper
    4. Dsulfate
    5. Epotassium
    6. Fnitric
    7. Gcarbon dioxide
    8. Hmagnesium
    9. Ichloride
  8. 8When making a soluble salt from an acid and insoluble reactants:
    excess of the reactant (a metal, metal oxide, or metal carbonate) is added to make sure all of the insoluble reactant reacts
    1. AVerdadero
    2. BFalso
  9. 9When completing a titration, you need to work out a mean titre, and you must only include results that are concordant in your calculation.
    1. AVerdadero
    2. BFalso
  10. 10most common sulfates (apart from lead sulfate, barium sulfate, calcium sulfate) are soluble
    1. AVerdadero
    2. BFalso

Información

Descripción
GCSE (Edexcel) Chemistry Test sobre Edexcel (9-1) Topic 3, creado por https:// revisechemistry.uk el 16/03/2018.
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