The salt dissolves in the water and the iron does not.
They form a homogeneous mixture.
carbon dioxide
water is an element, instant coffee powder is a mixture, combined it is still a mixture.
mixture
If the powder is totally soluble the solution is homogeneous.
Sulfur powder will float on the surface of the water.
They form a homogeneous mixture.
it changes colour from a white powder to a blue powder
Baking powder is mostly a mixture of two water soluble dry powders:Baking soda, sodium bicarbonateA weak organic acid salt, usually Cream of TartarWhen water is added to this mixture, the powders dissolve and react producing Carbon dioxide bubbles.
carbon dioxide
water is an element, instant coffee powder is a mixture, combined it is still a mixture.
BLACK powder is a mixture of charcoal, sulfur, and saltpetre, with other things added to keep it from clumping, improve water resistance, etc.SMOKELESS powder (modern gunpowder) is based on nitroglycerin and nitrocellulose, with other additives.
mixture
A mixture is formed.
From the little I have observed, I believe the mixture results in thinner, more watery, hot ghee.
cloudy water
It turns into a white powder and when water is then again added to the deydrated copper sulphate it turns back to its original colour