21. What is Oxidation reaction? Write the reaction of conversion of alcohol into
carboxylic acid
22. Why Hydrogen gas is not evolved when a metal reacts with nitric acid?
OR
Which gas turns lime water milky? Write the equation.
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21• Oxidation is the loss of electrons during a reaction by a molecule, atom or ion. Oxidation occurs when the oxidation state of a molecule, atom or ion is increased. ... In this reaction, hydrogen is being oxidized and fluorine is being reduced
Explanation:
22• carbon dioxide gas turns lime water milky
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