Ques : Which toxic element is used in the process of extracting gold from its ore?
A. Lithium
B. Helium
C. Mercury
D. Magnesium
Ans : C. Mercury
Ques : Which toxic element is used in the process of extracting gold from its ore?
The 16th KBC for Sony .. but 24 years of the show – Kaun Banega Crorepati