Identify the separation method.
Filtration
What are the 4 methods of separation that T.Marc asked you to watch on Edpuzzle?
Filtration, Evaporation, Distillation, and Paper Chromatography
A separation technique which separates an insoluble solid from a liquid with a beaker and a funnel.
evaporation
paper chromatography
filtration
distillation
What is the MAIN difference between polar molecules and nonpolar molecules?
There are atoms of diiferent elements.
The atoms are chemically bonded together.
The electrons are not shared equally.
There are more than one atom of the same element.
How many substances are in a pure substance?
1
3
2
4
It is a substance that exists in the greatest quantity in a solution, and it's usually a liquid.
solvent
Which of the following is TRUE about solubility?
It is a large amount of saturated solution.
It refers to how easy it is to solve a problem.
It refers to how easily a solute dissolves in a solution.
It refers to how much of a substance is in a solution.
Which of the following will be affected when we change the temperature and pressure?
the solubility of a solute in a particular solvent
the polarity of the solvent needed to dissolve a solute
the concentration of an unsaturated solution
none of the choices
It dissolves in the solvent to make a solution.
solute
Which of the following is the name used to describe the solid left in the filter paper during filtration?
Remainder
Filtrate
Distillate
Residue
Which of the following is a substance that is made of one type of atom?
neutron
compound
element
solution
When you dissolve sugar into hot tea, what is the solvent?
glass
sugar
hot
hot tea
If oil molecules are nonpolar, what kind of solvent is required to remove an oil stain?
nonpolar
polar
unsaturated
saturated
A mixture is made of at least two different substances.
True
False
When doing chromatography, what are we going to draw on the chromatography paper?
None of the choices
Draw on a vertical line on the paper
Both vertical and horizontal lines
Draw on a horizontal line on the paper
It is a method for separating dissolved substances from one another.
Paper chromatography
When immiscible components of a mixture settle out, the most dense liquid forms which layer?
top layer
middle layer
bottom layer
Which of the following refers to two or more substances that are not chemically combined together?
alien
mixture
element
compound
When you dissolve salt into your soup, what is the solute?
soup
water
salt
bowl
It is a mixture in which two or more substances are evenly mixed.
homogeneous mixture
It is always made up of the same combination of atoms.
substance
Which of the following refers to a group of 2 or more atoms (same or different)?
substance
atoms
solution
molecules
cannot be dissolved
soluble
insoluble
Which of the following refers to a solid that gets dissolved?
compound
element
solvent
solute
Which states of matter is our focus in discussing our topics on Solutions and Methods of Separation?
plasma
solid
gas
liquid
can be dissolved
soluble
insoluble
Which of the following refers to a mixture made of a solute and solvent?
solution
compound
element
substance
Which of the following refers to liquid that dissolves something?
compound
solute
solvent
element
Which of the following is the BEST way to get salt from salty water?
Filtration
Evaporation
Distillation
Paper Chromatography
It refers to the amount of solute that is dissolved in a solution.
concentration
Which of the following refers to substance made of molecules of two or more DIFFERENT elements and compounds?
compound
alien
solution
element
What are the 2 categories in which we can classify Matter?
mixtures and compounds
elements and substances
elements and solutions
substances and mixtures
Identify the separation method.
Evaporation
What are the 3 states of matter?
solid, liquid, or gas
How do you obtain salt from a mixture of sand and salt?
Dissolving in water - filtration - evaporation
Evaporation - filtration - dissolving in water
Dissolving in water - evaporation - filtration
Filtration - dissolving in water - evaporation
Which of the following BEST refers to water?
a nonpolar substance
an ionic compound
an insoluble substance
a polar compound
During distillation, what do you use to cool the water?
condenser
beaker
flask
test tube
It is a mixture in which substances are not evenly mixed.
heterogeneous mixture