|
Which gas is responsible for the swelling of bread? |
|||
|
(a) |
Oxygen |
(b) |
Carbon monoxide |
|
(c) |
Carbon dioxide |
(d) |
Ammonia |
|
Which gas is responsible for the swelling of bread? |
|||
|
(a) |
Oxygen |
(b) |
Carbon monoxide |
|
(c) |
Carbon dioxide |
(d) |
Ammonia |