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प्रश्न
Hydrogen burns with a ______ flame and ______ sound is heard.
उत्तर
Hydrogen burns with a pale blue flame and pop sound is heard.
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संबंधित प्रश्न
Define oxidation.
The electron releasing tendency of zinc is ______ than that of copper.
Identify from the following reaction the reactants that undergo oxidation and reduction.
2Ag2O → 4 Ag + O2 ↑
Identify from the reaction the reactants that undergo oxidation and reduction.
2Mg + O2 → 2MgO
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
H2S + Cl2→ 2HCl + S
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Pb2+→ Pb + Zn 2+
Identify the oxidising agent (oxidant) in the following reactions
`2"Mg" + "O"_2 -> 2"MgO"`
What are reducing agents? Give examples.
Find the oxidation number of the element in the following compound.
N in NH3
Find the oxidation number of the element in the following compound.
A1 in AlCl3
