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

Iron filings are dropped in aqueous solution of copper sulphate. or Iron dissolved in aqueous solution of copper sulphate.

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प्रश्न

Write chemical equation for the event.

Iron filings are dropped in aqueous solution of copper sulphate.

Iron dissolved in aqueous solution of copper sulphate.

टीपा लिहा
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उत्तर

Iron displaces copper from copper sulphate solution forming ferrous sulphate and copper.

\[\ce{\underset{\text{Iron}}{Fe_{(s)}} + \underset{\text{Copper sulphate}}{CuSO_{4(aq)}} -> \underset{\text{Ferrous sulphate}}{FeSO_{4(aq)}} + \underset{\text{Copper}}{Cu_{(s)}}}\]

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पाठ 8: Metallurgy - Exercises [पृष्ठ १०९]

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बालभारती Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 8 Metallurgy
Exercises | Q 9.2 | पृष्ठ १०९

संबंधित प्रश्‍न

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

evolution of a gas


How will you obtain Magnesium oxide from magnesium.

Also give balanced equations for the reactions


How will you obtain  Silver chloride from silver nitrate.

Also give balanced equations for the reactions


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.


Write the chemical equation for the event.

A reaction was brought about between ferric oxide and aluminium.


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


Select the correct answer for the statement given below:

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


Select the correct answer for the statement given below:

A neutral oxide which does not react with an acid or a base to give salt and water.


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.

Sulphur 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


Which among the following statements is incorrect for magnesium metal?


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


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.


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.


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


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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