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WorksheetsEMC (LSS)
Total questions: 20
Worksheet time: 20mins
Compound has a fixed proportion of constituents by mass.
True
False
Seawater, salt, sugar and air are all compounds.
True
False
Constituents in a compound are chemically combined.
True
False
Compounds can be separated by physical methods.
True
False
A mixture has the same properties as its constituents that makes it up.
True
False
Sodium and chlorine react together to form sodium chloride, also known as table salt. The properties of sodium chloride are different from those of sodium and chlorine.
True
False
Salt can be obtained from seawater via evaporation to dryness.
This method is considered a chemical method.
True
False
Element, mixture, or compound?
element
mixture
compound
Element, mixture, or compound?
element
mixture
compound
What do you see in this picture?
A pure element
A pure compound
A mixture of two elements
A mixture of two compounds
A mixture of an element and a compound
What do you see in this picture?
A pure element
A pure compound
A mixture of two elements
A mixture of two compounds
A mixture of an element and a compound
In the Periodic Table, metals are found on the...
left side
right side
middle
How many different types of elements are found in
CuSO4?
(Type only in numbers!)
(a)
Which technique can be used to get sea salt from seawater?
filtration
evaporation
distillation
chromatography
Sugar is added to water. The water is the...
solute
solvent
solution
saturated
What kind of substance is composed of two or more elements that are chemically combined?
element
mixture
solution
compound
A combination of substances that are not chemically combined is called a
mixture
compound
element
