NEW
Font size
WorksheetsMixtures
Total questions: 20
Worksheet time: 10mins
___________ are the smallest unit of an element that maintains the properties of that element.
Atoms
Elements
Compounds
Mixtures
An _______________ is made up of one or more of the same kind of atom chemically combined.
atom
element
molecule
compound
A _____________ contains a variety of elements and compounds that are not chemically combined with each other.
compound
element
molecule
mixture
A ______________ mixture is one that does not have a uniform composition.
heterogeneous
homogenous
pure substance
A _________________ mixture is one where the substances are evenly spread throughout.
heterogeneous
homogeneous
pure substance
_______________ are mixtures in which its particles are too big to stay mixed without being stirred or shaken.
Solutions
Colloids
Suspensions
In a ______________, one substance is dissolved in another substance.
solution
suspension
colloid
A type of mixture that falls in between suspensions and solutions are called ______________.
solutions
colloids
suspensions
pure substances
Milk and gelatin are examples of __________________.
suspensions
colloids
solutions
How can Rey make the soup cubes dissolve more quickly in the water?
Identify the solvent
Identify the solute
This method is a technique used in separating a less-dense substance from a denser one.
decantation
evaporation
distillation
filtration
This technique is based on the differences of the boiling point of the substance in the mixture.
decantation
distillation
filtration
chromatography
This involves using a strainer or a big screen to separate the components of solid mixtures.
chromatography
distillation
sieving
physical manipulation
This method is used to separate metals from non metals.
use of magnet
physical manipulation
sieving
chromatography
This method is useful in a pharmaceutical industry in determining the amount of each chemical in each product.
distillation
chromatography
sieving
decantation
This method is used in separating soluble solid from a liquid such as salt from water.
evaporation
distillation
decantation
filtration
