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प्रश्न
Give the general group study of hydrogen with reference to
burning
उत्तर
Hydrogen burns in oxygen to form its oxide. It burns with a pop sound.
2H2 + O2 → 2H2O
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संबंधित प्रश्न
In the reaction represented by the following equation:
CuO (s) + H2 (g) → Cu (s) + H2O (1)
(a) name the substance oxidised
(b) name the substance reduced
(c) name the oxidising agent
(d) name the reducing agent
Explain the following in term of gain or loss of oxygen with two examples.
Oxidation
Explain the following in term of gain or loss of oxygen with two examples.
Reduction
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
Mg + 2HCl → MgCl2 + H2
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Pb2+→ Pb + Zn 2+
Divide the above equation into oxidation and reduction half-reactions.
Choose terms from the options given in brackets to complete this sentence.
When CuO reacts with hydrogen,………………… is reduced and ……………….is oxidized to ………………….
(CuO, H2, Cu, H2O)
Oxidising agents are also called as ______ because they remove electrons form other substances.
What is a redox reaction?
Find the oxidation number of the element in the following compound.
Ca in CaH2
