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![Balbharati solutions for साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड chapter 8 - Metallurgy - Shaalaa.com](/images/science-and-technology-1-english-standard-10-maharashtra-state-board_6:c9a4ae86c3724b9b8c519cd188fdfa1f.jpg "Balbharati solutions for साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड chapter 8 - Metallurgy")
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Solutions for Chapter 8: Metallurgy
Below listed, you can find solutions for Chapter 8 of Maharashtra State Board Balbharati for साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड.
Balbharati solutions for साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड 8 Metallurgy Exercises [Pages 108 - 109]
Write name.
Alloy of sodium with mercury.
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Molecular formula of the common ore of aluminium.
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The oxide that forms salt and water by reacting with both acid and base.
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The device used for grinding an ore.
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The nonmetal having electrical conductivity.
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The reagent that dissolves noble metals.
Make pairs of substances and their properties
| Substance | Property |
| a. Potassium bromide (KBr) | 1. Combustible |
| b. Gold | 2. Soluble in water |
| c. Sulphur | 3. No chemical reaction |
| d. Neon | 4. High ductility. |
Identify the pairs of metals and their ores from the following.
| Group A | Group B |
| a. Bauxite | i. Mercury |
| b. Cassiterite | ii. Aluminium |
| c. Cinnabar | iii. Tin |
Explain the term of Metallurgy .
Explain the following term:
Ores
Explain the term Minerals.
Explain the term Gangue .
Write scientific reasons.
Lemon or tamarind is used for cleaning copper vessels turned greenish.
Write scientific reason.
Generally the ionic compounds have high melting points.
Write scientific reason.
Sodium is always kept in kerosene.
Write scientific reason.
Pine oil is used in froth flotation.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time. Why does this happen? Write the chemical equation.
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
Draw a neat labelled diagram.
Magnetic separation method.
Draw a neat labelled diagram.
Froth floatation method.
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
Draw a neat labelled diagram.
Hydraulic separation method.
Write chemical equation for the event.
Aluminium came in contact with air.
Write chemical equation for the event.
Iron filings are dropped in aqueous solution of copper sulphate.
Write the chemical equation for the event.
A reaction was brought about between ferric oxide and aluminium.
Write chemical equation for the event.
Electrolysis of alumina is done.
Write a chemical equation for the following event.
Zinc oxide is dissolved in dilute hydrochloric acid.
Complete the statement using every given option.
During the extraction of aluminium..............
Ingredients and gangue in bauxite.
Complete the statement using every given option.
During the extraction of aluminium..............
Use of leaching during the concentration of ore.
Complete the statement using every given option.
During the extraction of aluminium..............
Chemical reaction of transformation of bauxite into alumina by Hall’s process.
Complete the statement using every given option.
During the extraction of aluminium.........
Heating the aluminium ore with concentrated caustic soda.
Divide the metals Cu, Zn, Ca, Mg, Fe, Na, Li into three groups, namely reactive metals, moderately reactive metals and less reactive metals.
Solutions for 8: Metallurgy
Balbharati solutions for साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड chapter 8 - Metallurgy
Shaalaa.com has the Maharashtra State Board Mathematics साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Balbharati solutions for Mathematics साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड Maharashtra State Board 8 (Metallurgy) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड chapter 8 Metallurgy are Physical Properties of Metals, Basic Principles of Metallurgy > Extraction of Metals, Chemical Properties of Metal, Physical Properties of Non-metal, Reactivity Series of Metals, Chemical Properties of Non-metal, Ionic Compounds, Metallurgy, Basic Principles of Metallurgy > Refining of Metals, Reactions of Metals, Basic Principles of Metallurgy > Concentration of Ores, Corrosion of Metals, Prevention of Corrosion.
Using Balbharati साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड solutions Metallurgy exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Balbharati Solutions are essential questions that can be asked in the final exam. Maximum Maharashtra State Board साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड students prefer Balbharati Textbook Solutions to score more in exams.
Get the free view of Chapter 8, Metallurgy साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड additional questions for Mathematics साइंस एण्ड टेक्नॉलोजी १ [अंग्रेजी] कक्षा १० महाराष्ट्र राज्य बोर्ड Maharashtra State Board, and you can use Shaalaa.com to keep it handy for your exam preparation.
