Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemistry in Everyday Life
Which of the following gases is used in the manufacture of soft drinks?
1
Oxygen
2
Carbon monoxide
3
Carbon dioxide
4
More than one of the above
5
None of the above