The answer is very specific for each practical case !
it is compound solution! Yamaha!
When you mix an element with a compound, a chemical reaction may occur. The element may react with the compound to form a new compound or may remain unchanged depending on the reactivity of the elements involved.
Sand is a mixture and rarely is only one compound.
An element is an element and can not, in anyway, be separated.
Salt water is a homogeneous solution, and a mixture.
salt is a compound. it is not an element
element
It is a solution.
Calcium is an element.
It is a solution.
i think is an solution
It is a solution.
it is compound solution! Yamaha!
Sodium carbonate solution is a compound. It is composed of sodium ions (Na+) and carbonate ions (CO3^2-). When dissolved in water, these ions separate from each other but remain chemically bonded as a compound.
Gold is an element.
element
Hydrogen is a mixture solution element