AP EAMCET Engineering 22 Sep 2020 Shift 2 Paper
© examsiri.com
Question : 125 of 160
Marks:
+1,
-0
Which of the following statements is NOT correct ?
1) froth floatation is used for removing gangue from sulphide ore.
2) cresols are used to stabilize the froth.
3) sodium cyanide can be used as depressant for preferential separation.
4) aniline can be used as froth enhancer.
1) froth floatation is used for removing gangue from sulphide ore.
2) cresols are used to stabilize the froth.
3) sodium cyanide can be used as depressant for preferential separation.
4) aniline can be used as froth enhancer.
Go to Question: