हिंदी

Write the chemical equation for the event. A reaction was brought about between ferric oxide and aluminium.

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प्रश्न

Write the chemical equation for the event.

A reaction was brought about between ferric oxide and aluminium.

रासायनिक समीकरण/संरचनाएँ
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उत्तर

Aluminium is more reactive than iron. Aluminium metal replaces iron from ferric oxide to form aluminium oxide and iron

Chemical Equation:  \[\ce{2Al + Fe2O3 -> Al2O3 + 2Fe}\]

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अध्याय 8: Metallurgy - Exercises [पृष्ठ १०९]

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बालभारती Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
अध्याय 8 Metallurgy
Exercises | Q 9.3 | पृष्ठ १०९

संबंधित प्रश्न

Give one example each of which illustrates the following characteristics of a chemical reaction:

evolution of a gas


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What do you observe when ferrous sulphate solution is added to an aqueous solution of sodium hydroxide.


How will you obtain  Silver chloride from silver nitrate.

Also give balanced equations for the reactions


Write chemical equation for the event.

Iron filings are dropped in aqueous solution of copper sulphate.


Divide the metals Cu, Zn, Ca, Mg, Fe, Na, Li into three groups, namely reactive metals, moderately reactive metals and less reactive metals.


With reference to Water explain with suitable examples of how the reactivity of the metals could be differentiated.


With reference to Acid explain with a suitable example of how the reactivity of the metals could be differentiated.


Give a balanced equation for the reversible catalytic reaction involving nitrogen as one of the reactants.


Complete the statement by filling in the blank with the correct word:

The metal which reacts with steam and the reaction is reversible is ________.


Give a balanced equation for the following type of reaction:

A displacement reaction in which a metal above hydrogen in the reactivity series, displaces another metal from the solution of its compound.


Explain the following reaction with the balanced equation.

Sodium burns in air


Which of the following is the correct arrangement of the given metals in ascending order of their reactivity?

Zinc, Iron, Magnesium, Sodium


Compound X and aluminium are used to join railway tracks.

  1. Identify the compound X
  2. Name the reaction
  3. Write down its reaction.

A metal A, which is used in thermite process, when heated with oxygen gives an oxide B, which is amphoteric in nature. Identify A and B. Write down the reactions of oxide B with HCl and NaOH.


A metal that exists as a liquid at room temperature is obtained by heating its sulphide in the presence of air. Identify the metal and its ore and give the reaction involved.


An element A reacts with water to form a compound B which is used in white washing. The compound B on heating forms an oxide C which on treatment with water gives back B. Identify A, B and C and give the reactions involved.


A solution of CuSO4 was kept in an iron pot. After few days the iron pot was found to have a number of holes in it. Explain the reason in terms of reactivity. Write the equation of the reaction involved.


Arrange the following as per the instruction given in the bracket:

Al, K, Mg, Ca (decreasing order of its reactivity)


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