Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemistry in Everyday Life
One of the following poisonous gases can combine with the hemoglobin in our blood & can cause death. The gas is
1
Sulphur dioxide
2
Carbon dioxide
3
Carbon monoxide
4
More than one of the above
5
None of the above