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प्रश्न
Balance the following equation:
Fe2O3 + CO → Fe + CO2
उत्तर
Fe2O3 + 3CO → 2Fe + 3CO2
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संबंधित प्रश्न
Balance the given chemical equation:
C + CO2 → CO
Balance the following equation and add state symbols:
Zn + HCI → ZnCI2 + H2
When potassium nitrate is heated, it decomposes into potassium nitrite and oxygen. Write a balanced equation for this reaction and add the state symbols of the reactants and products.
When the solution of substance X is added to a solution of potassium iodide, then a yellow solid separates out from the solution.
(a) What do you think substance X is likely to be?
(b) Name the substance which the yellow solid consists of.
(c) Which characteristic of chemical reaction is illustrated by this example?
(d) Write a balanced chemical equation for the reaction which takes place. Mention the physical states of all the reactant and products involved in the chemical equation.
What do the following symbol stand for?
2H2
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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.
Write a balanced equation for the following word equation:
Potassium nitrate → Potassium nitrite + Oxygen
A student took a small amount of copper oxide in a conical flask and added dilute hydrochloric acid to it with constant stirring. He observed a change in colour of the solution.
- Write the name of the compound formed and its colour.
- Write a balanced chemical equation for the reaction involved.
