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प्रश्न
Translate the following statement into chemical equation and then balance the equation:
Phosphorus burns in oxygen to give phosphorus pentoxide.
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उत्तर
P4 + 5O2 →2P2O5
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संबंधित प्रश्न
Complete and balance the following equation:
CA (OH)2 + ............. 
CaCO3 + H2O
Aluminium hydroxide reacts with sulphuric acid to form aluminium sulphate and water. Write a balanced equation for this reaction.
Rewrite the following information in the form of a balanced chemical equation:
Magnesium burns in carbon dioxide to form magnesium oxide and carbon.
State the various characteristics of chemical reactions.
Give one example of an endothermic reaction.
Is Respiration an endothermic reaction or an exothermic reaction?
Name the type of chemical reaction shown by the following equation:
2Mg+ O2 → 2MgO
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Aluminium + Chlorine → Aluminium chloride.
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`"Zn" + "HCI" → "ZnCI" _2 + "H"_2`
Balance the following equation. Also name the product formed.
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Balance the following equation:
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Write the balanced chemical equation of the following reaction.
aluminium sulphate + sodium hydroxide → sodium sulphate + sodium meta aluminate + water.
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potassium dichromate + sulphuric acid → potassium sulphate + chromium sulphate + water + oxygen.
Answer the following question.
What is observed when 2 mL of dilute hydrochloric acid is added to 1 g of sodium carbonate taken in a clean and dry test tube? Write a chemical equation for the reaction involved.
In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
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Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
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Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Write names of reactants and products of chemical reaction.
Which among the following statement(s) is(are) true? ‘Exposure of silver chloride to sunlight for a long duration turns grey due to
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- sublimation of silver chloride.
- decomposition of chlorine gas from silver chloride.
- oxidation of silver chloride.
