A. 7
B. above 10
C. below 2
D. between 5.5 and 6.5
E. between 7.5 and 8.5

Correct Answer:

Option D – between 5.5 and 6.5

SEE ALSO  When sodium hydroxide solution is added to a solution of zinc salt; the white precipitate formed re-dissolve in excess sodium hydroxide because?

Copyright warnings! Do not copy.