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Maharashtra State BoardSSC (English Medium) 10th Standard

Explain the following reaction with the balanced equation. Sodium aluminate reacts with water

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Question

Explain the following reaction with the balanced equation.

Sodium aluminate reacts with water

Short/Brief Note
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Solution

Sodium aluminate reacts with water to give aluminium hydroxide as a precipitate and sodium hydroxide.

\[\ce{\underset{\text{Sodium aluminate}}{NaAlO_{2(aq)}} + \underset{\text{Water}}{2H2O_{(l)}} -> \underset{\text{Sodium hydroxide}}{NaOH_{(aq)}} + \underset{\text{Aluminium hydroxide}}{Al(OH)_3↓}}\]

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Chapter 8: Metallugy - Explain the following reactions with the balanced equations [Page 31]

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SCERT Maharashtra Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
Chapter 8 Metallugy
Explain the following reactions with the balanced equations | Q 6. | Page 31

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  1.  Given below are the steps for extraction of copper from its ore. Write the reaction involved.
    1.  Roasting of copper (I) sulphide
    2. Reduction of copper (I) oxide with copper (I) sulphide.
    3. Electrolytic refining
  2. Draw a neat and well labelled diagram for electrolytic refining of copper

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