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प्रश्न
Give the general group study of hydrogen with reference to
burning
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उत्तर
Hydrogen burns in oxygen to form its oxide. It burns with a pop sound.
2H2 + O2 → 2H2O
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संबंधित प्रश्न
Identify the substances that are oxidised and the substances that are reduced in the following reaction.
\[\ce{CuO_{(s)} + H2_{(g)} -> Cu_{(s)} + H2O_{(l)}}\]
Is it essential that oxidation and reduction must occur side by side in a chemical reaction? Explain
Complete and balance the following equation:
\[\ce{K + H2O -> }\]________+ ________
Oxidation is a process which involves ____________.
Select the oxidising agent for the following reaction:
\[\ce{H2S + I2 -> 2HI + S}\]
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
Some bubbles of a gas are seen when lead (Pb) is reacted with the acid.
Explain this observation giving suitable reason.
The tarnishing of metals is an example of ______ reaction.
Find the oxidation number of the element in the following compound.
Zn in ZnSO4
Answer the questions based on the equation below:
\[\ce{CH3 - CH2 - OH ->[{[O]}][K2Cr2O7/H2SO4] CH3 - COOH}\]
- What type of reaction is it?
- What is the role of the chemical written on the arrow?
- Give one example of one such type of chemical as in answer (b).
The metallic oxide which can be reduced by using common reducing agents is ______.
