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प्रश्न
In what respect does hydrogen differ from:
alkali metals
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उत्तर
Oxides of alkali metals are basic in nature, whereas the oxide of hydrogen H2O is a neutral oxide.
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संबंधित प्रश्न
Define corrosion.
The addition of oxygen to a substance is called ______ whereas removal of oxygen is called ______.
Hydrogen burns with a ______ flame and ______ sound is heard.
In the following reaction: A+ + B → A + B+. Write half-reactions for this reaction and name:
- oxidizing agent
- substance oxidized
- reducing agent
Divide the following reactions into oxidation and reduction half-reaction:
Cl2 + 2Br- → Br2 + 2Cl-
Complete and balance the following equation:
H2 + S → ___________
Complete and balance the following equation:
Fe + H2O →___________+____________
Which of the following statements about the given reaction are correct?
\[\ce{3Fe_{(s)} + 4H2O_{(g)} -> Fe3O4_{(s)} + 4H2_{(g)}}\]
(i) Iron metal is getting oxidised.
(ii) Water is getting reduced.
(iii) Water is acting as the reducing agent.
(iv) Water is acting as oxidising agent.
Identify the oxidising agent (oxidant) in the following reactions
`"CuSO"_4 + "Zn" -> "Cu" + "ZnSO"_4`
The tarnishing of metals is an example of ______ reaction.
