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प्रश्न
Name:
a solid that is an oxidizing agent.
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उत्तर
MnO2
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संबंधित प्रश्न
Define ‘redox reaction’. Give one example.
A shiny brown-coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black-colored compound formed.
Compare hydrogen with alkali metals on the basis of:
Oxide formation
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
PbO + CO → Pb + CO2
Name:
an oxidizing agent that does not contain oxygen.
State what is reducing agent. Give an example of oxidising agent in the gaseous, liquid, and solid form.
Identify the oxidising agent (oxidant) in the following reactions
`3"Fe" + 4"H"_2"O" -> "Fe"_3"O"_4 + 4"H"_2`
Which among the following are physical or chemical change?
Heating of an iron rod to red hot
Identify the following reactions as oxidation/reduction/redox reaction
CuO+H2 → Cu+H2O
Metals are good ______.
