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 the ore of lead? (1) Galena (2) Cinnabar (3) Cerussite (4) PyrolusiteA) 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: D
Solution :
Galena ? \[Pbs\] Cerussite? \[PbC{{O}_{3}}\] Cinnabar? \[HgS\] Pyrolusite ?\[Mn{{O}_{2}}\]
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