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प्रश्न
The following reaction is used for the preparation of oxygen gas in the laboratory
`2"KClO"_3("s") overset("Heat")underset("Catalyst")(->) 2"KCl"("s") + 3"O"_2 ("g")`
Which of the following statement(s) is(are) correct about the reaction ?
विकल्प
It is a decomposition reaction and is endothermic in nature
It is a combination reaction
It is a decomposition reaction and is accompanied by release of heat
It is a photochemical decomposition reaction and exothermic in nature
उत्तर
It is a decomposition reaction and is endothermic in nature
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संबंधित प्रश्न
Write the balanced equation for the following chemical reaction.
\[\ce{Sodium + Water -> Sodium hydroxide + Hydrogen}\]
Write a balanced chemical equation with state symbols for the following reaction.
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Balance the following equation:
\[\ce{ZnO + NaOH->Na2ZnO2 + H2O}\]
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\[\ce{H2S + Cl2->S + HCl}\]
Balance the following important equation:
Al + Cl2 → AlCl3
Balance the following important equation:
Mg3N2 + H2O → Mg(OH)2 + NH3
Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form a solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?
- It is an endothermic reaction
- It is an exothermic reaction
- The pH of the resulting solution will be more than seven
- The pH of the resulting solution will be less than seven
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Complete and balance the following equation:
\[\ce{Al2O3 + NaOH ->}\]
