Other questions in this quiz

2. is a chemical reaction

  • irreverisble
  • slow
  • reverisble
  • fast

3. Co2 test

  • cotton wool test
  • popping noise
  • limewater turns milky
  • flames

4. what is an independent variable

  • stay the same
  • change
  • measure
  • temperature

5. equation for magneisum

  • magnesium+acid+hydrogen and hydrochloric acid
  • magnesium+hydrochloric acid=magnesium chloride+hydrogen
  • hydrochloric acid+magnese=hydrogen+chloride
  • magnese+hydrochloric acid=hydrogen chloride

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