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Q.

Cinnabar is the core of _______.

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a

Mercury 

b

Zinc

c

Aluminium 

d

Magnesium

answer is B.

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Detailed Solution

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  • The correct answer is option B, Mercury.
  • Cinnabar, or HgS, is a mercury ore. 
  • When heated in air, it is initially transformed into mercuric oxide (HgO). 
  • The mercury oxide is then reduced to mercury by subsequent heating.
     
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