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प्रश्न
Give two test for an oxidising agent.
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उत्तर
Test For An Oxidising Agent:
- On heating strongly, oxidising agent liberates oxygen and to test oxygen: O2 gas rekindles a glowing splinter.
- On warming oxidising agent with cone. HCl, it liberates chlorine, that bleaches moist litmus paper.
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संबंधित प्रश्न
When a magnesium ribbon is heated, it burns in air to form magnesium oxide. Write a balanced chemical equation for this reaction. Name
- substance oxidised, and
- substance reduced.
In order to prevent the spoilage of potato chips, they are packed in plastic bags in an atmosphere of ______.
Name the following:
The process in which oxygen is added or hydrogen is removed.
MULTIPLE CHOICE QUESTIONS
The process of adding oxygen to a substance is called
- oxidation.
- reduction.
- displacement.
- hydrogenation.
The electron releasing tendency of zinc is ______ than that of copper.
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
PbO + CO → Pb + CO2
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Cu2+ → Cu + Zn 2+
Select the oxidising agent for the following reaction:
\[\ce{H2S + I2 -> 2HI + S}\]
What are redox reactions? Give examples.
State whether the given chemical reaction is a redox reaction or not. Justify your answer.
\[\ce{MnO_2 + 4HCl->MnCl_2 +2H_2O + Cl_2}\]
