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WorksheetsChemistry: Acids and Bases
Total questions: 23
Worksheet time: 12mins
What does pH stand for?
purple hair
power of hydrogen
perfect Hydrogen
phosphorous Hydrogen
What is the range of the pH scale?
(a)
The pH scale is used to know what?
Your temperature
Know one knows
The colors of acids and bases
The strength of acids and bases
Acids have a pH of _______________.
below 7
above 7
exactly 7
Bases have a pH of _______________.
below 7
above 7
exactly 7
Neutral solutions have a pH of _______________.
below 7
above 7
exactly 7
What ions are there more of in acidic solutions?
H+ (H3O+)
OH-
What ions are there more of in basic solutions?
H+ (H3O+)
OH-
Which one of the following is NOT a property of acids.
Tastes sour
Corrodes metals
Conduct electricity
Turns red litmus paper blue
Which one of the following is NOT a property of basic solutions?
Feels soapy/slippery
Tastes sour
Conducts electricity
Turns red litmus paper blue
Which one of these substances will have a NEUTRAL pH?
Lemon juice
Coffee
Bleach
Water
How do acid base indicators work?
They change smell in different pH values
They change temperature in different pH values
They do not do anything in different pH values
They change color in different pH values
Is the following substance an acid or a base? Ca(OH)2
Acid
Base
Is the following substance an acid or a base? HCl
Acid
Base
Is the following substance an acid or a base? H2(SO4)
Acid
Base
Is the following substance an acid or a base? KOH
Acid
Base
A Bronsted Lowry acid:
donates H+ to another substance
accepts H+ from another substance
produces H+
produces OH-
A Bronsted Lowry base:
donates H+ to another substance
accepts H+ from another substance
produces H+
produces OH-
In the equation below, what is the Bronsted Lowry acid (donates H+)?
HCl + NH3 → Cl- + NH4+
HCl
NH3
Cl-
NH4+
In the equation below, what is the Bronsted Lowry base (accepts H+)?
HCl + NH3 → Cl- + NH4+
HCl
NH3
Cl-
NH4+
Which reactant in the following equation is a Bronsted Lowry acid?
H2O + HCl → H3O+ + Cl-
Water
Hydrogen chloride
Hydronium
Chloride
Which product in the following equation is a conjugate base?
H2O + HCl → H3O+ + Cl-
Water
Hydrogen chloride
Hydronium
Chloride
