Which of the following is not an ore of Magnesium?
(a) Cassiterite
(b) Dolomite
(c) Kieserite
(d) Carnallite
The question was asked during an online exam.
This interesting question is from Non-Ferrous Metals and Alloys in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials