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WorksheetsPrecipitation & Acid/Base Reactions
Total questions: 23
Worksheet time: 14mins
When solutions of two ionic compounds are combined and a solid forms, the process is called
hydration
solvation
dissociation
precipitation
Precipitation reactions: when chemicals in a solution react to form ___
a gas
a liquid
a solid
rain
What kind of substance is water particularly good at dissolving?
molecular compounds
fats and oils
ionic compounds
organic compounds
When some ionic compounds form through reactions in solution, they fall out as a ___
consolidated element
heavy sludge
dense discharge
solid precipitate
Ionic compounds are generally called ___
distillates
sediments
salts
coprolites
Sodium chloride is commonly called ___
chalk
table salt
baking soda
limestone
What is the chemical formula for silver nitrate?
AgNO3
Ag(NO3)2
Ag2NO3
Ag(NO)3
Cations are ___
positively charged ions
negatively charged ions
attracted to bar magnets
repelled by bar magnets
Anions are ___
positively charged ions
negatively charged ions
attracted to bar magnets
repelled by bar magnets
Opposite charges attract. So cations only react with anions to form ___
larger magnets
new compounds
charged compounds
new cations and anions
Sodium is a metal from the left side of the periodic table and those always form ___
cations
anions
proton donors
proton acceptors
Chlorine is a gas from the right side of the periodic table, so in an ionic compound it is ___
an anion
a cation
a proton acceptor
a proton donor
The reaction of sodium chloride and silver nitrate in solution forms a white precipitate of ___
sodium chloride
silver nitrate
sodium nitrate
silver chloride
Elements in the same column of the periodic table often behave in ___
unreliable ways
similar ways
different ways
unison to form compounds
In a molecular equation, what notation is used to indicate an ionic compound in a water-based solution?
(aq) for aqueous
(s) for solution
(w) for water
(ws) for water solution
In a molecular equation, what notation is used to indicate a solid precipitate?
(c) for compacted
(s) for solid
(p) for precipitate
(sp) for solid precipitate
Ions that don't participate directly in the reaction are called ___
lurkers
ghost followers
spectator ions
bystander ions
When solutions of two ionic compounds are combined and a solid forms, the process is called
hydration
solvation
dissociation
precipitation
acid + base -->
salt + water
salt + oxygen
salt + carbon dioxide
When an acid and a base react, a ______________ reaction takes place.
Displacement
Oxidation
Neutralisation
Transamination
Sulphuric acid + sodium carbonate
-->
pH is the measure of the concentration of ______.
Acids
H+ ion
OH- ion
Bases
Zn(OH)2 + HNO3 ---> H2O + Zn(NO3)2
