8
QuizMultiple Choice
Lab: Measuring pH — Unit test
Question 8 • Foothill-B Period-Chemistry-26/27B
Which equation describes a reduction?
Answer
A
Upper M g (s) right arrow Uper M g superscript 2 plus (a q) plus 2 e superscript minus.
B
2 upper C l plus 2 e superscript minus right arrow 2 upper C l superscript minus.
C
Upper N a (s) right arrow upper N a superscript plus (a q) plus e superscript minus.
D
Upper A l (s) right arrow upper A l superscript 3 plus (a q) plus 3 e superscript minus.