Copper is deposed on the steel wool.
it catches fire
Steel wool will quickly start to rust when placed in water due to its iron content. The water exposes the iron to oxygen in the air, leading to oxidation which causes the steel wool to rust and eventually deteriorate.
Steel wool corrodes in water because it contains dissolved oxygen and other electrolytes that can react with the iron in the steel wool, causing oxidation. In contrast, orange juice is acidic and contains citric acid, which can act as a protective barrier by passivating the iron surface and preventing corrosion.
The steel wool will burned and turned in black substance.
If you soak steel wool in oil, it can become a fire hazard since the oil can make the steel wool heat up more quickly and reach its ignition temperature. It is not recommended to soak steel wool in oil due to this risk.
steel wool is steel made from wool, so it would be neither
When the power supply is switched on, the steel wool heats up due to the electrical current passing through it. This causes the steel wool to start glowing red-hot and eventually ignite due to the combustion of the iron in the presence of oxygen.
the wool does not rust
Steel wool is a mixture.
Some products around the house that may be used to remove rust are as follows (Reference: Talking Dirty with the Queen of Clean by Linda Cobb): scouring powder (metal), lemon juice (washable fabrics), salt and lemon juice (fixtures), Tang Breakfast Drink or lemon Kool-Aid (toilet bowl), lemon Kool-Aid (concrete), Tang (dishwasher), lighter fluid - with caution -followed by liquid cleaner (stainless steel sinks), onion (utensils), aluminum foil (car chrome), paste of creme of tartar and lemon juice or hydrogen peroxide, rub with nylon sponge (Formica, plastic laminates), cleanser and raw potato (baking pans), sandwich bag in freezer (steel wool pad))
Steel wool is not soluble in water, neither can it absorb water but can get wet so if you take the steel wool out of the water the wet (due to capillary action and surface tension) steel wool will weigh more than dry steel wool. Then the steel wool will rust (and the mass will increase because oxygen unites with iron to form the rust).