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प्रश्न
What do you understand by endothermic reactions?
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उत्तर
An endothermic reaction is a chemical reaction that consumes heat to form products.
\[\ce{N2 + O2 + Heat -> 2NO}\]
APPEARS IN
संबंधित प्रश्न
Balance the following chemical equation.
\[\ce{BaCl2 + H2SO4 -> BaSO4 + HCl}\]
Translate the following statement into a chemical equation and then balance the equation:
Carbon disulphide burns in air to give carbon dioxide and sulphur dioxide.
Correct and balance the following equation:
\[\ce{Ca + H2O -> CaOH + H}\]
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\[\ce{C + CO2 -> CO}\]
What do you understand by exothermic reactions?
What is a chemical equation?
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When water is added to quick lime?
Explain the terms with examples.
Balanced equation
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Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2 ↑
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C + H2SO4 → CO2 + H2O + SO2
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Write the balanced chemical equation of the following reaction.
iron pyrites(FeS2) + oxygen → ferric oxide + sulphur dioxide
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
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\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
State what is a ‘balanced equation’.
Balance the following simple equation:
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Fe2O3 + H2 → Fe + H2O
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NaOH + CO2 → Na2CO3 + H2O
What are the steps involved in writing the skeletal equation?
When aqueous solutions of potassium iodide and lead nitrate are mixed an insoluble substance separates out. The chemical equation for the reaction involved is:
