One use of sulfur dioxide is as a food preservative (by killing bacteria).
A compound that is used to preserve fruit and produce an inexpensive acid is sulfur. Sulfur dioxide is often used to preserve fruit.
Lime
It kills yeast. If you didn't do that, the wine would turn to vinegar.
Sulfur dioxide is used in many things such as refrigerants and solvents. It is also one the largest contributors to air pollution on Earth. This is caused by petroleum and coal burning.
Sulfur is a component of gunpowder. It is used in the vulcanization of rubber. Sulfur has applications as a fungicide, fumigant, and in the making of fertilizers. It is used to make sulfuric acid. Sulfur is used in the making of several types of paper and as a bleaching agent. Elemental sulfur is used as an electrical insulator. The organic compounds of sulfur have many uses. Sulfur is an element that is essential for life. However, sulfur compounds can be highly toxic. For example, small amounts of hydrogen sulfide can be metabolized, but higher concentrations can quickly cause death from respiratory paralysis. Hydrogen sulfide quickly deadens the sense of smell. Sulfur dioxide is an important atmospheric pollutant.
Sulfur dioxide is not in flour.
Sulfur dioxide followed by its hydration is used in the production of sulfuric acid.
A compound that is used to preserve fruit and produce an inexpensive acid is sulfur. Sulfur dioxide is often used to preserve fruit.
Yes, sulfur dioxide (SO2) is often used as a preservative for its antimicrobial and antioxidant properties in fruits and wines.
Sulfur dioxide
chromatography
During Photosynthesis carbon dioxide is used and oxygen is released. In chemo-synthesis oxygen may be used but it releases Sulfur dioxide. Example of chemo-synthesis are sulfur bacteria.
Lime
I is used to create sulfur dioxide to make paper.
No - it is not really needed. Molasses (unrefined sugar) is a preservative in its own right. If you were to use an extra, it would tend to be sodium metabisulfite which admittedly is a source of Sulfur dioxide.
Pyrite is used for carpeting houses, growing food, bone density, manufacturing sulfur, sulfuric acid, sulfur dioxide, and inexpensive jewelry.
It kills yeast. If you didn't do that, the wine would turn to vinegar.