Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Basic Concepts of Chemistry
Select from the following a set of three metals which are found in free state.
1
Silver, gold, platinum
2
Gold, iron, silver
3
Copper, gold, iron
4
More than one of the above
5
None of the above