Colloidal suspensions are heterogeneous; they necessarily contain more than one substance. You could make one out of two pure substances.
A cross between a solution and a non-dissolved something, a colloid is not a pure substance.
Answer a. Pure Water is not a mixture - it is a compound. Seawater is a mixture of water and salts, air is a mixture of gases and brass is a mixture (an alloy) of copper and zinc metals.
Mixture. An alloy is a mixture of metals.
pure substance, propanone
Air is a mixture.
Homogeneous mixture
cow milk is a pure substanc
It is a compound, so it is a pure substance.
Any processed food is made of impure elements, solutions, colloids, suspensions, and compounds.
Colloids.
Colloids are very small particles of a substance suspended in a mixture making them homogeneous.
A colloid is a mixture of solid particles suspended in a liquid.
They are called colloids.
COLLOIDS
You think probable to colloids.
colloids and suspensions
solutions, colloids and suspensions
Compounds and solutions are pure substances