Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Which are sulphide ores? (1) Zinc blende (2) Galena (3) Cryolite (4) RutileA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: B
Solution :
Zinc blende - \[ZnS\] Galena - \[PbS\] Cryolite - \[N{{a}_{3}}Al{{F}_{6}}\] Rutile - \[Ti{{O}_{2}}\]
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