state gov Bihar Vidhan Sabha ASO Mock Test 2024 General Science Chemistry Periodic Table

নাইক্রোম নীচের কোনটির একটি সংকর ধাতু?

1
Ni, Cr, Mn এবং Fe
2
Ni, Cr, Mg এবং Fe
3
Ni, Cu, Mn এবং Fe
4
Ni, Cr, Mn এবং Al
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