Materials which are used for scouring are known as abrasives.
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A substance is a scientific term that is used in chemistry.
Matter
concentrated
toxic
Ammonia is the scientific term for ammonia.Household ammonia is actually a solution of ammonia (which is a gas at room temperature and ordinary pressures) in water.
Scouring Powder is an abrasive substance used in cleaning.
In my childhood one used wet wood ash as a scouring powder.
dolomite
iron
because quartz is an abrasive and abrasive is used in cleaning
The scientific or taxonomic name would be Equisetum laevigatum.
The scientific or taxonomic name would be Equisetum hyemale.
You can try using a normal scouring pad. Another possibility would be to use a ball of aluminum foil, just wad it up and rub. A dishcloth with some minor abrasive, such as scouring powder or baking powder will work, but avoid damaging the surface.
"Scouring" is an old lay term meaning "having diarrhea". The noun form is "scours". This is most commonly used to refer to diarrhea of neonatal and pre-weaned animals.
The scientific name for baby powder is talcum powder, which is made from finely ground talc mineral.
The scientific term is 'strata'.
The most likely answer is pumice, an abrasive volcanic rock that has been used for millennia for various cleansing and scouring chores. E.g., it's found in Lava soap, and obviously gave the soap its name.