No, it's a mixture.
No, sodium chloride is a pure substance.
no
Sodium chloride is a compound, not a mixture; after refining NaCl become very pure.
Sodium chlorate is a pure substance with a chemical formula NaClO3. It is distinct from a mixture of sodium chloride (NaCl) and oxygen (O2).
You could test a sample with a mass spectrometer, which would show all the elements present. If there are no elements present other than sodium and chlorine, then you have pure sodium chloride.
Sodium (Na) is a pure substance, listed on the Periodic Table. Table salt however, is Sodium Chloride (NaCl), which is not a pure substance
Sodium chloride (table salt) is a pure substance because it is a compound made up of sodium and chloride ions in a fixed ratio. It is not a mixture because it cannot be separated into its components by physical means.
Sodium chloride is considered a pure substance because it has a definite chemical composition of NaCl, with a fixed ratio of sodium to chloride atoms. It is a homogenous substance with uniform properties throughout.
Common salt is a compound (NaCl), not a mixture and is a pure substance (after refining).
No, it is the compound sodium chloride, a pure substance.
Sodium chloride, NaCl, is a compound, which is a pure substance. It is a compound because sodium ions and chloride ions chemically bond to each other to form the ionic compound NaCl.
To a chemist, there are many kinds of salts. It would be more precise to say that sodium chloride is a pure substance. Table salt usually involves two different chemicals, mostly sodium chloride, but also some potassium iodide added as a nutritional supplement.