Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Physics Pressure
Food is cooked faster in the pressure cooker due to the:
1
Increase in the boiling point of water
2
Release of steam by its whistle at regular intervals
3
Heat remaining inside
4
More than one of the above
5
None of the above