No, a chisel is a cutting tool.
Coated abrasive .
yes
It is commonly referred to us a wedge, brick/block chisel, in addition you can cut bricks with a circular saw and a abrasive blade.
Electro coated abrasive paper is used for grinding, finishing, and polishing various materials such as metal, wood, and plastic. The abrasive material is evenly distributed on the paper surface through an electrostatic process, resulting in consistent performance and durability during use. This type of abrasive paper is commonly used in metalworking, woodworking, and automotive industries for tasks requiring precision and control.
Warm soapy water and a soft, non-abrasive scrubber (softer than the glass/enamel the pan is coated with). Soak it if you need to. Absolutely don't use steel wool.
Sandpaper is made of a backing material coated with abrasive particles, such as aluminum oxide or silicon carbide. Despite its name, sandpaper is not made of sand.
No, a chisel is a cutting tool.
Carve
Not really, no. Many horns are coated with a clear lacquer over polished brass, and an abrasive silver polish will wear off the lacquer.
The chisel is stuck! A sharp chisel is easy to use.
It's a chisel with a diamond point.
A wood chisel is a carpentry tool.