Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
i) Na
ii) Ca
iii) Fe
iv) Cu
1
i & ii
2
iii & iv
3
i & iii
4
More than one of the above
5
None of the above