Question 3
a compound is the chemical bonding of a two or more solutions b two or more mixtures c two or more elements
question 4 which item is a mixture? a copper b table salt c carbon d air question 5
a sample of matter that contains only one kind of atom would be classified as a a homogeneous mixture b an element c a heterogeneous mixture d a compound
question 6
which action will make a solid solute dissolve more slowly in a liquid solvent? a decreasing the solvent’s temperature b stirring the solution c crushing the solute into small pieces question 7
a chemical change is required to separate the components of a a heterogeneous mixture b compound c homogeneous mixture question 8
solutions and heterogeneous mixtures have a parts that are chemically bonded to one another b parts that are physically mixed c individual parts that can be seen without a microscope
question 9
matter that is always composed of the same combination of atoms is a a solution b substance c mixture question 10
adding more solute to a solution changes the a polarity of the solute molecules b solubility of the solute c concentration of the solution
question 11
saturated is a term that is used to describe a polarity b ph. c solubility d concentration question 12
evaporation, a physical change, could be used to separate the components of a(n) a substance b mixture c element d compound
question 13
which phrase describes the parts of a solution but not the parts of a heterogeneous mixture? a evenly mixed b easily visible with the unaided eye c always a single type of atom d chemically bonded question 14
which item could be separated into its component parts only by using a chemical change? a granite b air c table salt d salt water