Know About Chemical Quiz
Chemists deserve respect, as the content that they study is not a walk in the park. Among the many things that they are expected to master are chemical elements and compounds. The chemical quiz below tests on this and more.
- 1.The volume of water that must be added in order to dilute 40 mL of 9.0 M HCl to a concentration of 6.0 M is closest to
- A.
10 mL
- B.
20 mL
- C.
30 mL
- D.
40 mL
- E.
60 mL
- 2.A yellow precipitate forms when 0.5M NaI (aq) is added to a 0.5 M solution of which of the following ions?
- A.
Pb to the power of plus 2 end exponent (aq)
- B.
Zn to the power of plus 2 end exponent (aq)
- C.
CrO subscript 4 to the power of minus 2 end exponent (aq)
- D.
SO subscript 4 to the power of minus 2 end exponent (aq)
- E.
OH to the power of minus 1 end exponent (aq)
- 3.Oxygen is acting as an oxidizing agent in all of the following reactions EXCEPT
- A.
2 C (s) + O2 (g) --> 2 CO (g)
- B.
S (s) + O2 (g) --> SO2 (g)
- C.
2 F2 (g) + O2 (g) --> 2 OF2 (g)
- D.
2 Na (s) + O2 (g) --> Na2O2 (s)
- E.
2 Mg (s) + O2 (g) --> 2 MgO (s)
- 4.Which of the following is a weak acid in aqueous solution?
- A.
HCl
- B.
HClO subscript 4
- C.
HNO subscript 3
- D.
H subscript 2 S
- E.
H subscript 2 SO subscript 4
- 5.A student mixes equal volumes of 1.0 M solutions of tin(II) chloride and copper(II) sulfate and observes that no precipitate forms. Then the student mixes equal volumes of 1.0 M solutions of zinc(II) sulfate and tin(II) fluoride and observes the formation of a precipitate. The formula of the precipitate must be
- A.
SnF subscript 2
- B.
SnSO subscript 4
- C.
Sn(SO subscript 4 ) subscript 2
- D.
ZnF
- E.
ZnF subscript 2
Questions: 10 | Attempts: 14222 | Last updated: May 6, 2020
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