1.

Which of the following statement (s) is/are correct ?

Answer»

Magnesite is the ore of magnesium
A mineral containing ZnS and PbS togetheris separated in froth floatation PROCESS by adding NACN as DEPRESSANT
White bauxite is purified by HALL's process
Extraction of zinc from zinc blende is possible by self reduction

ANSWER :A::B


Discussion

No Comment Found