Published on Fri Feb 20 10:09:07 UTC 2015
| 103 views
Question - Iron nails were dipped in an aqueous solution of copper sulphate. After about 30 minutes, it was observed that the colour of the solution changed from
A. Colorless to light green.
B. Blue to light green
C. Blue to colourless.
D. Green to blue.
Vedantu - Your Personal Teacher Online
- Get an clear edge over other students by constant revision of important topics with an awesome teacher.
- Get your doubts and questions resolved instantly by booking an instant live session
- Prepare for competitive exams with our exam courses and achieve your goal
- Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses