मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

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 समीकरणे/रचना
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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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पाठ 8: Metallurgy - Exercise [पृष्ठ १०९]

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बालभारती Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 8 Metallurgy
Exercise | Q 9. c. | पृष्ठ १०९

संबंधित प्रश्‍न

What do you observe when dilute sulphuric acid is added to granulated zinc?


What do you observe when silver nitrate is added to a solution of sodium chloride?


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


What is meant by the metal reactivity series ? State its importance, (any two points).


Write chemical equation for the event.
Aluminium came in contact with air.


State what is meant by the ‘reactivity series of metals’


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


Select the correct answer for the statement given below:

The catalyst used in the catalytic reaction involving the reactants nitrogen and hydrogen.


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.


Classify the following metals based on their reactivity.
Cu, Zn, Ca, Mg, Fe, Na, Li, Hg

More reactive Moderately reactive Less reactive
     
     

Explain the following reaction with the balanced equation.

Magnesium reacts with dil HCl


Which among the following statements is incorrect for magnesium metal?


Which among the following alloys contain mercury as one of its constituents?


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 M does not liberate hydrogen from acids but reacts with oxygen to give a black colour product. Identify M and black coloured product and also explain the reaction of M with oxygen.


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.


Give the steps involved in the extraction of metals of low and medium reactivity from their respective sulphide ores.


An element A burns with golden flame in air. It reacts with another element B, atomic number 17 to give a product C. An aqueous solution of product C on electrolysis gives a compound D and liberates hydrogen. Identify A, B, C and D. Also write down the equations for the reactions involved.


Metal ‘A’ has electronic configuration 2, 8, 1 and metal ‘B’ has electronic configuration 2, 8, 8, 2. Out of these, which metal is more reactive? Write the reaction of this metal with dilute HCl acid.


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