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![Balbharati solutions for Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board chapter 8 - Metallurgy - Shaalaa.com](/images/science-and-technology-1-english-10-standard-ssc-maharashtra-state-board_6:c9a4ae86c3724b9b8c519cd188fdfa1f.jpg "Balbharati solutions for Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board 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 Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board.
Balbharati solutions for Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board 8 Metallurgy Exercises [Pages 108 - 109]
Write name.
Alloy of sodium with mercury.
Write name.
Molecular formula of the common ore of aluminium.
Write name.
The oxide that forms salt and water by reacting with both acid and base.
Write name.
The device used for grinding an ore.
Write name.
The nonmetal having electrical conductivity.
Write name.
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 term of 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 aluminum.
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 Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board chapter 8 - Metallurgy
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Concepts covered in Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board chapter 8 Metallurgy are Types of Element: Metals, Types of Element: Non-metal, Physical Properties of Metals, Extraction of Aluminium, Chemical Properties of Metal, Physical Properties of Non-metal, Chemical Properties of Non-metal, Reactivity Series of Metals, Metallurgy, Extraction of Reactive Metals, Refining of Metals, Ionic Compounds, Reactions of Metal, Basic Principles of Metallurgy, Extraction of Moderately Reactive Metals, Extraction of Less Reactive Metals, Corrosion of Metals, Prevention of Corrosion.
Using Balbharati Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board 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 Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board students prefer Balbharati Textbook Solutions to score more in exams.
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