Task 1 of 30 · Chemistry · Class 7
Recognize Oxygen
Task
Which one of the MgO records, NaCl, NaOH is the oxygen? Explain briefly.
Your answer
Write your answer, check the solution, then rate it against the criteria.
Task 1 of 30 · Chemistry · Class 7
Task
Which one of the MgO records, NaCl, NaOH is the oxygen? Explain briefly.
Your answer
Write your answer, check the solution, then rate it against the criteria.