A cow farts.
The gas is oxygen.Oxgen is used in photosynthesis and produced in photosynthesis.
The gas produced by the burning of fuel is carbon dioxide.
The gas taken in by photosynthesis is carbon dioxide (CO2), while the gas produced is oxygen (O2).
That depends on what substance you are talking about.
When gas is produced, you may observe bubbles forming in the liquid or substance, a change in volume or pressure, and possibly a release of gas with accompanying hissing or popping sounds. Depending on the type of gas and how it is being produced, there may also be changes in color or temperature.
Chlorine gas is produced.
Chlorine gas is produced.
oxygen
When a battery is charging, hydrogen gas is produced.
At the positive electrode, oxygen gas was produced.
Hydrogen gas is produced.
Hydrogen gas (H2) would be produced.
The gas produced when fuels are burned is carbon dioxide (CO2).
When a battery is being charged, hydrogen gas is produced.
When a battery is being charged, hydrogen gas is produced.
When aluminum reacts with sodium hydroxide, hydrogen gas is produced along with sodium aluminate as a byproduct.
the poisoness gas produced by incomplete combustion is carbon monoxide:)