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Question
Name:
a substance that oxidizes concentrated HCl to chlorine.
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Solution
MnO2
manganese(IV) oxide
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RELATED QUESTIONS
Define an oxidation reaction.
MULTIPLE CHOICE QUESTIONS
The process of adding oxygen to a substance is called
- oxidation.
- reduction.
- displacement.
- hydrogenation.
TRUE \ FALSE
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Cu2+ + 2 e-→ Cu
In the following reaction: A+ + B → A + B+. Write half-reactions for this reaction and name:
- oxidizing agent
- substance oxidized
- reducing agent
Explain the term oxidation in term of addition and removal of oxygen/hydrogen with a suitable example.
Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Oxidation means losing electrons then what is reduction?
Find the oxidation number of the elements in the following compounds.
- C in CO2
- Mn in MnSO4
- N in HNO3
Which among the following are physical or chemical change?
Curding of milk
The sum of the oxidation number of all atoms in a compound is ______.
