Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Basic Concepts of Chemistry
The volume of CO2 liberated at STP when 10 gm of 90% pure limestone strongly heated is
1
0.224 L
2
2.24 L
3
2.016 L
4
More than one of the above
5
None of the above