CTET 2 Math and Science Dec 2019 Paper

© examsiri.com
Question : 71 of 120
 
Marks: +1, -0
Which of the following statements is/are correct?
(a) Iron can replace zinc from zinc sulphate solution.
(b) Zinc can replace copper from copper sulphate solution.
(c) Copper can replace Iron from Iron sulphate solution.
Go to Question: