the color
A physical change.
it is a white powder sort of like cocaine
There are numerous physical properties of table sugar. Some of these include being colorless, odorless, fine, sweet tasting, and a type of powder that contains crystals.
Gun powder is always a mixture.
IT is a physical because physical properties refer to things that can be examined with the 5 senses (taste, look, ect.)
Copper Sulfide is a wholly different chemical from copper and sulfur, and thus shows different characteristics and is not dividable by physical means, while a mixture of copper and sulfur powder is just a physical mix.
Tomato powder is a mixture.
Making lemonade is a physical change because the powder and water do not combine chemically. It becomes an aqueous mixture.
it mainly acts as surface active agent....that makes the dirt soluble in water.
Gun powder is a heterogeneous mixture.
A mixture.
I think its a mixture