Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Structure of Atom
Out of the following which is the element.
1
Sugar, salt, Glass
2
Iron,Aluminum,Gold
3
Air, Carbon dioxide
4
More than one of the above
5
None of the above