Chemistry

8th

grade

Image

Recapitulare 2 - reactii de combinare, probleme

17
plays

10 questions

Show Answers
See Preview
  • 1. Multiple Choice
    45 seconds
    1 pt

    Denumirea substantei compuse CO2 este:

    monoxid de monocarbon

    dioxid de carbon

    monoxid de dicarbon

    oxid de calciu

  • 2. Multiple Choice
    45 seconds
    1 pt

    Denumirea substantei compuse H2CO3 este:

    acid carbonic

    hidroxid de carbon

    hidroxid de calciu

    carbonat de hidrogen

  • 3. Multiple Choice
    1 minute
    1 pt

    Sunt ecuatii ale reactiilor de combinare:

    CO2 + H2O ↔ H2CO3

    2 Al + Fe2O3 =2 Fe + Al2O3

    H2CO3 ↔ H2O + CO2

    4 Al + 3 O2 = 2 Al2O3

  • Answer choices
    Tags
    Answer choices
    Tags

    Explore all questions with a free account

    Already have an account?