None just brush them of and get the mixture right you wont have to replace any thing.
an insulator
Normal combustion deposits. If the color is black, to rich a mixture. If the deposit is oily, piston rings or valve guides are worn, allowing crankcase oil to enter. If the insulator is glazed white, too lean a mixture or the plug is running too hot for the engine cycle duty (steady highway driving vs stop and go traffic).
Slate is an electrical insulator. Slate is not a conductor of electricity.
Water can deposit sediment such as sand, silt, and clay. Wind can deposit smaller particles like sand and dust. Melting glaciers can deposit a mixture of rocks, sediments, and debris known as moraines.
Air is a gaseous mixture. (It has attributes of a compound because it cannot be separately physically by normal means, only by elaborate centrifuges or cooling.)
A deposit of clay and lime mixture on Earth is called marl. Marl is formed from the accumulation of clay and calcium carbonate-based materials over time, often found in sedimentary rock layers. It is commonly used in agriculture and construction due to its nutrient-rich and binding properties.
No, clay is a deposit made up of hydrous aluminum phyllosilicates. Mud is i mixture of fine grained minerals.
The sediments with a mixture of sizes are known as poorly sorted sediments. This means that the particles have not been sorted by size and can range from fine to coarse within the same sediment deposit.
The iron in the mixture will be attracted to the magnet and stick to it. Sulfur, being non-magnetic, will not be affected by the magnet and will remain in the mixture. This can be used to separate the iron from the sulfur.
The deposit on the porcelain dish from holding it over a luminous flame is likely a mixture of soot, carbon, and other combustion byproducts. This can result from incomplete combustion of organic materials present in the flame.
To clean water deposits, you can use a mixture of vinegar and water, which helps dissolve mineral buildup. Apply the solution to the affected area and let it sit for a few minutes before scrubbing with a soft brush or cloth. Rinse thoroughly with clean water to remove any residue. For tougher deposits, a commercial descaler may be effective as well.
When the magnet is moved beneath the mixture of iron and sulfur, the iron particles will be attracted to the magnet due to their magnetic properties, while the sulfur particles will not be affected by the magnet. This will result in the separation of the iron from the sulfur in the mixture.