A. blasting → crushing → floting → smelting
B. blasting → crushing → floting → grinding → smelting
C. blasting → crushing → grinding → floting → smelting
D. crushing → blasting → grinding → smelting → floting
Correct Answer:
Option C – blasting → crushing → grinding → floting → smelting
![118.8cm² surface of the copper cathode of a voltameter is to be coated with 10^-6m thick copper of density 9 x 103kgm−³. How long will the process run with 10A constant current? [3.3 x 10^-7kgC‾¹] past-questions-and-answers](https://erudites.ng/wp-content/uploads/2020/06/past-questions-and-answers-150x150.jpg)
