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प्रश्न
Explain, giving one example of the following chemical changes:
Double decomposition
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उत्तर
Double decomposition is a type of chemical change in which two compounds in a solution react to form two new compounds by mutual exchange of radicals. Double decomposition reaction is also called a double displacement reaction.
\[\ce{AB + CD -> AD + CB}\]
Example - \[\ce{AgNO3 + NaCl -> AgCl \downarrow + NaNO3}\]
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संबंधित प्रश्न
Complete the following statement.
The chemical change involving iron and hydrochloric acid illustrates a _________________ reaction.
(a) Define the neutralization reaction with an example.
(b) Give a balanced equation for this reaction.
(c) Give three applications of neutralization reactions.
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AgNO3 + NaCl → AgCl + NaNO3
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Decomposition reactions can occur by sunlight.
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State which of the following type, take place in the reaction is given below.
\[\ce{2Mg + O2->2MgO}\]
Define the following type of chemical change or reaction with a suitable example.
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Give a balanced equation for a direct combination reaction involving:
Two compounds – resulting in the formation of a weak acid
Give a balanced equation for the following reaction of synthesis involving the formation of:
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Define a displacement reaction with a suitable example.
