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WorksheetsAcids Bases and Salts
Total questions: 20
Worksheet time: 16mins
NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?
Acid
Base
Neither (Neutral)
Amphoteric
A substance is found to have the following characteristics:
Very bitter taste
Feels soapy to the touch
Produces OH- ions when dissolved in water
In what category would the substance be classified?
acid
base
Which is NOT an amphoteric oxide?
zinc oxide
aluminium oxide
lead (II) oxid
sodium oxide
Potassium carbonate reacts with an acid Y to form potassium nitrate, water and carbon dioxide. What is the acid used for this reaction?
HNO3
H2SO4
HCl
CH3COOH
What range of values on the pH scale represent solutions with a higher ratio of hydronium (H3O+) ions?
0-14
below 7
7
above 7
Complete the definition below:
Acids are....
hydrogen donors.
hydrogen acceptors.
proton donors.
proton acceptors.
Complete this equation:
sulfuric acid + potassium hydroxide -->
potassium oxide + hydrogen
potassium chloride + water
potassium sulfate + hydrogen
potassium sulfate + water
What colour does Universal Indicator turn in a solution of pH 6?
Red
Yellow
Dark green
Turquoise
A lighted splint was held over a flask in which a gas was given off. The splint went out with a pop. Which gas was given off?
hydrogen
chlorine
oxygen
ammonia
The pH scale is used to determine the strength of
acids and bases
chemical bonds
electrical charges
particles in a solution
Chemicals formed when an acid and a base combine.
salts
noble gases
metalloids
hydroxides
Lime water turns milky on passing which gas through it
H2
Cl2
CO2
NH3
The formula of Epsom salt is
MgCO3
Mg(OH)2
MgSO4
MgCl2
Assertion : Litmus is a natural indicator
Reason : Litmus is taken from lichen plant
Both assertion and reason are true and reason is correct explanation of assertion
Both assertion and reason are false
Assertion is false and reason is true
Assertion is true and reason is false
State whether the following statement is TRUE or FALSE ?
Cane sugar contains hydrogen and may be regarded as an acid
TRUE
FALSE
The deliquescent salt from the following is :
KCl
CuSO4 . 5H2O
ZnCl2
MgSO4
