Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Basic Concepts of Chemistry
What is the melting point of tungsten, which is used to make bulb filament?
1
3100°C
2
3380°C
3
1280°C
4
More than one of the above
5
None of the above