WorksheetsMixture and Solutions
Total questions: 20
Worksheet time: 10mins
What is a substance that is dissolved in another substance?
solution
solvent
Solute
What is the simplest form that cannot be broken down to anything simpler?
compound
element
solution
How are mixtures and solutions different form each other?
the mixture combines physically and the solution is not easily separated
once combines chemically the other combines electronically
they have more than one elements in them
there are no differences
A substance that contains only one type of atom is a(n)
heterogeneous mixture
element
heterogeneous mixture
compound
Which of these is a pure substance?
bread
garden soil
table salt
sea water
Which of these is not an example of a molecule?
C
CH4
H2O
Ch2O
cake batter?
heterogeneous mixture
homogeneous mixture
What is the formula mass of Fe(OH)₂?
5
45
90
What is the formula mass for H₂O ?
16
17
18
19
Examples are milk and gasoline.
elements
mixtures
compound
Why do you have to shake oil and vinegar salad dressing before you can use it?
Vinegar and oil have different densities
Vinegar and oil both contain water
Vinegar and oil are both liquids
Theresa mixes a white powder into a beaker of water. The powder disappears. Why?
conductivity
Solubility
density
the ability to dissolve
solubility
dissolve
solution
How can we separate salt grains from pepper grains?
use a pair of tweezers
put the mixture in water and filter out the pepper
use a strainer with a fine wire screen
Which list contains only substances that dissolve?
sugar, salt, koolaid mix
sugar, oil, carrots
oil, sugar, pepper
. Is pepper soluble in water?
yes
no
How can you clean foam cups out of a wishing fountain?
They are less dense, so they can be picked off the bottom of the fountain.
The foam cups are less dense, so they can be removed from the top of the water with a net.
They can be washed away when the fountain is drained.
for a substance to become so small it is invisible to the eyes and spread out evenly
solvent
solute
dissolve
A tablespoon of substance is added to water and it disappears. What can we tell about the substance?
It dissolved in the water
It flavored the water.
It heated the water.
the substance that will be dissolved, like salt or sugar
solution
solute
dissolve
