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प्रश्न
Complete and balance the following equation:
\[\ce{K + H2O -> }\]________+ ________
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उत्तर
\[\ce{2K + 2H2O →\underline{2\text{KOH}} + \underline{\ce{H2}}}\]
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संबंधित प्रश्न
Identify in the following reaction (a) the substance oxidised, and (b) the substance reduced:
\[\ce{ZnO + C -> Zn + CO}\]
Define the following in terms of gain or loss of hydrogen with one example:
Oxidation
Hydrogen burns with a ______ flame and ______ sound is heard.
Define reduction.
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Cu2+ → Cu + Zn 2+
Oxidation is a process which involves ____________.
When Ag is exposed to air it gets a black coating of ____________.
Identify the oxidising agent (oxidant) in the following reactions
`"CuSO"_4 + "Zn" -> "Cu" + "ZnSO"_4`
Which among the following are physical or chemical change?
Heating of an iron rod to red hot
What are redox reactions? Give examples.
