Copper metal is a pure substance, not a mixture. It is an element with the chemical symbol Cu.
It should be a "pure" substance, but its really an alloy.
No, iron metal is not a solution. A solution is a homogenous mixture where one substance is dissolved in another. Iron metal is a pure substance composed of iron atoms.
Potassium iodide solution is a compound because it is a pure substance made up of potassium and iodine chemically bonded together in a fixed ratio.
A mixture is the opposite of a pure substance. A mixture is made up of two or more pure substances that are physically combined and can be separated by physical means.
KCl is a pure substance. It is a compound composed of potassium and chloride ions in a fixed ratio, making it a chemically pure substance.
Potassium dichromate is a pure substance in solid form. When dissolved in water, it forms a solution, which is a homogeneous mixture of potassium dichromate and water molecules.
Copper metal is an element and thus a pure substance.
Copper metal is an element and thus a pure substance.
Copper metal is an element and thus a pure substance.
Sodium metal is a pure substance and not a mixture, so it is considered a homogeneous material.
Hafnium (Hf) is a pure metal.
Silver is a chemical Element - which means silver is a pure substance.
Vinegar is not a metal. It is a mixture of water and acetic acid.
Copper metal is a pure substance, not a mixture. It is an element with the chemical symbol Cu.
Yes, potassium bromide is a pure substance. It is a compound made up of potassium and bromine elements in a fixed ratio, and its composition does not vary.
Saltpeter, also known as potassium nitrate, is a pure substance. It is a compound made up of potassium, nitrogen, and oxygen in a specific ratio.