A homogenous mixture is uniform and thus hard to recognize as a mixture. An example is water.
Answer:
the concentration of the reactants
the temperature in heating
Answer: solid
Explanation:In a solid, the atoms are closely packed and hence are close together. This results in a definite pattern of packing and a definite shape. Solids have a defined shape and volume as a result of this orderly arrangement of atoms very close to each other in the solid material.