Column1
You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." The soy milk is most likely a ________.
Suspension
Which of the following is a heterogeneous mixture?
a. stainless steel b. a jar of mixed nuts
c. sugar water d. water in a swimming pool
b. a jar of mixed nuts
Which of the following are pure substances?
a. colloids b. homogeneous mixtures
c. compounds d. solutions
c. compounds
A mixture can be classified as a solution, suspension, or colloid based on __________.
the size of it's largest particles.
If an unknown substance CANNOT be broken down into simpler substance, it is a _____________.
a. compound b. element
c. made of one kind o atom d. both b & c.
Both b and c
Filtration can be used to separate mixtures based on __________.
a. their densities b. the size of their particles
c. their boiling points d. their melting points
b. the size of their particles
A material that is malleable and conducts electricity is most likely a ___________.
Metal
Water is a compound because it
a. can be broken down into hydrogen and oxygen
b. has a fixed composition
c. is made of water atoms joined together
d. both a and b
d. both a and b
Which of the following is NOT a clue that a chemical change has occurred?
a. change in color b. change in shape
c. production of a gas d. formation of a precipitate
b. change in shape
A mixture that appears to contain only one substance is a(n) ___________.
homogeneous mixture.
Which of the following is malleable?
a. ice b. gold
c. glass d. pottery
b. gold
Flammability is a material's ability to burn in the presence of __________.
Oxygen
A substance that is made up of only one kind of atom is a(n) _____________.
Element
A substance has a melting point of 00C and a boiling point of 1000C. The substance is most likely
Water
Which of the following is a physical change?
a. sawing a piece of wood in half
b. a copper roof changing color from red to green.
c. burning a piece of wood
a. sawing a piece of wood in half.
Which of the following is a chemical change
a. ice being carved
b. water breaking down into hydrogen and oxygen
c. water boiling
d. ice melting
b. water breaking down into hydrogen and oxygen
Which of the following is a mixture?
a. sand b. silicon dioxide
c. silicon d. carbon dioxide
a. sand
Which of the following is NOT a pure substance.
a. milk b. oxygen
c. water d. carbon dioxide
milk
Which of the following has the highest viscosity?
a. orange juice b. milk
c. water d. corn syrup
d. corn syrup
Is gas forming when vinegar and baking soda are mixed evidence of chemical change?
Yes