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Study Quiz 1
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1
Which of the following sentences best describes an acidic solution?
A)It conducts electricity and turns red litmus paper blue.
B)It feels slippery and tastes bitter.
C)Hydrogen gas is produced when it reacts with magnesium and it turns blue litmus paper red.
D)It does not react with carbonate compounds and is neutralized by vinegar.
2
The Arrhenius definition of acids and bases is limited because
A)it cannot explain the basicity of substances like ammonia
B)it does not allow for acids and bases in non-aqueous media
C)it cannot predict whether or not an aqueous solution of a given compound will be acidic or basic
D)All of the above are limitations of the Arrhenius definition.
3
Which statement can be made, based only on the Arrhenius definition of acids and bases?
A)An acid turns blue litmus paper red.
B)An acid increases the concentration of H+ in solution.
C)An acid is a proton donor.
D)An acidic solution will have a high pH.
4
Which of the following statements about the Brønsted-Lowry acid-base theory is true?
A)It restricts acid-base reactions to aqueous solutions.
B)It states that a base can donate a proton to an acid.
C)It states that protons are removed from acidic molecules.
D)It indicates that H+ ions are present in both acids and bases.
5
What is the conjugate base of HI?
A)I–
B)OH–
C)I
D)H2I
6
What is the conjugate acid of (HCO3)– ?
A)CO32–
B)H2CO3
C)H2CO3+
D)H2O
7
Which of the following is a conjugate acid-base pair for the following reaction?

HCl(aq)   +   H2O(l)  →   H3O(aq)   +   Cl–(aq)

A)HCl  and  H2O
B)HCl  and  H3O+
C)H3O+  and  Cl–
D)H3O+  and  H2O
8
Which of the following is an amphoteric substance?
A)H2CO3
B)H3O+
C)H2PO4–
D)OH–





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