Salt, or table salt (NaCl) is a substance because NaCl is a compound. However, salt dissolved in water is a mixture because the sodium and chlorine ions dissociate.
Table salt is a compound, making it a pure substance.
If you think to potassium chloride (KCl) this is a compound (substance); but frequently the so called substitute is a mixture of sodium and potassium chlorides.
salt is asubstance
No a table is not pure.
Pure salt is a compound made from Sodium (Na) and Chlorine (Cl). Its formula is NaCl and it is a pure substance not a mixture. However, most salt you purchase from a shop as' Table Salt' is iodised (for health reasons) and contains anti caking agents (to make it run). That is, it has had iodine other substances added to it. This makes Table Salt a mixture.
Helium is pure as it is on the periodic table.
pure substance?
No, it is a mixture; rarely a drug is a pure substance.
No a table is not pure.
Pure salt is a compound made from Sodium (Na) and Chlorine (Cl). Its formula is NaCl and it is a pure substance not a mixture. However, most salt you purchase from a shop as' Table Salt' is iodised (for health reasons) and contains anti caking agents (to make it run). That is, it has had iodine other substances added to it. This makes Table Salt a mixture.
Sodium (Na) is a pure substance, listed on the Periodic Table. Table salt however, is Sodium Chloride (NaCl), which is not a pure substance
Helium is pure as it is on the periodic table.
Table salt is a pure substance. It is combined in such a way that it is uniform and definite in composition.
No, that would be a mixture.
pure substance?
Yes
Pure substance.
Carbon is a pure substance with the chemical symbol "C"
No, it is a mixture; rarely a drug is a pure substance.
Barium is an element from the periodic table therefore it is neither a mixture or a compound