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WorksheetsElements, Compounds, Mixtures
Total questions: 13
Worksheet time: 7mins
A substance made up of two or more chemically combined elements is a/an ___________.
element
compound
mixture
thing
A pure substance...
is an element or a compound
is an element or a mixture
is a compound or a mixture
is a mixture
NaHCO3 is an example of _____________.
an abbreviation
an element
a compound
a mixture
Ethanoic acid is the compound found in vinegar that makes it acidic. It has a chemical formula CH3COOH. It has ______ different elements and ______ number of atoms.
3, 7
3, 8
4, 7
4, 8
5, 7
Which of the following is a way in which elements and compounds are similar?
Elements and compounds are pure substances.
Elements and compounds are both made up of different kinds of atoms.
Elements and compounds can both be broken down by physical means.
Elements and compounds are listed on the periodic table.
Which of the following substances is a compound?
copper
magnesium
salt water
water
(a) : A substance that dissolves
(a) : A cloudy liquid containing insoluble particles.
If a spoonful of sugar is mixed in a glass of water, what is the water called?
solute
solution
solvent
element
A snow globe is an example of a/an ____________.
element
compound
solution
suspension
When you add so much solute that no more dissolves, you have a/an _________ solution.
saturated
unsaturated
soluble
solubility
salty
Which substance is MOST soluble at 0 ºC?
KCI
NaNO3
NaCl
Ce2(SO4)3
What is the correct descending order for time taken for the sugar to dissolve? (e.g. ABCD)
(a)
