I suppose that you think to a stoichiometric chemical compound.
CaCl2 is a pure substance. It is a compound made of calcium and chlorine in a fixed ratio.
No, carbon monoxide is not a pure substance. It is a compound composed of two elements, carbon and oxygen, in a fixed ratio.
Hydrogen chloride is considered a pure substance because it is a chemical compound made up of hydrogen and chlorine atoms in a fixed ratio.
A pure substance consists of only one type of element or compound. The composition of a pure substance always stays the same, with a fixed ratio of its constituent particles.
Sodium bromide is a pure substance because it is a compound with a fixed chemical composition, consisting of sodium and bromine atoms in a specific ratio.
Unadulterated silver nitrate is a pure substance.
Ammonia is pure substance. It is a molecule with formula NH(3).
Ammonia (NH3) is a pure substance. It is a compound made up of nitrogen and hydrogen in a fixed ratio, and it cannot be separated into simpler substances by physical means.
HCl is a pure substance because it is a compound. Pure substances consist of elements and compounds.
pure substance
Copper chlorides (CuCl and CuCl2) can be obtained as very pure compounds.
Yes, copper sulfate is considered a pure substance because it has a definite and uniform composition of copper, sulfur, and oxygen in a fixed ratio. It can be represented by a chemical formula (CuSO4) and is not a mixture of different substances.