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प्रश्न
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
H2S + Cl2→ 2HCl + S
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उत्तर
H2S undergoes oxidation by loss of hydrogen to give sulphur.
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संबंधित प्रश्न
Define ‘redox reaction’. Give one example.
Explain the following in term Oxidation of gain or loss of oxygen with two example.
When a magnesium ribbon burns in air with a dazzling flame and forms a white ash, is magnesium oxidised or reduced? Why?
Fill in the blank
Oxidation is the removal of ......................and addition of ....................
MULTIPLE CHOICE QUESTIONS
The process of adding oxygen to a substance is called
- oxidation.
- reduction.
- displacement.
- hydrogenation.
Explain the following in term of gain or loss of oxygen with two examples.
Oxidation
Identify the oxidising agent (oxidant) in the following reactions
`"Pb"_3"O"_4 + 8"HCl" -> 3"PbCl"_2 + "Cl"_2 + 4"H"_2"O"`
Mention some oxidation reactions that occur in daily life.
______ is a metal that has a high resistance to corrosion.
The oxidizing agent in the equation \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\] is ______.
