Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Classification of Elements and Periodicity in Properties
Which of the following is a non magnetic material?
1
Tin
2
Nickel
3
Cobalt
4
More than one of the above
5
None of the above