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Principles of Metallurgy — Syllabus

Telangana Board · Class 10 · Physical Sciences

Principles of Metallurgy topics: Occurrence of Metals in Nature, Concentration or Dressing of Ore, Activity Series and Extraction Based, plus 1 more.

44 questions40 flashcards5 concepts

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4 Topics · Telangana Board Class 10 Physical Sciences · 2026-27

Topics in Principles of Metallurgy

1

Occurrence of Metals in Nature

  • The earth's crust is the main source of metals.
  • Sea water contains soluble salts such as sodium chloride and magnesium chloride.
  • Some metals like gold, silver, and copper occur in free or native state because they are least reactive.
2

Concentration or Dressing of Ore

  • Concentration or dressing means removing as much unwanted rocky material as possible from the ore.
  • The unwanted impurities are called gangue.
  • Physical methods used for concentration depend on differences between ore and gangue properties.
3

Activity Series and Extraction Based on Reactivity

  • Arrangement of metals in decreasing order of reactivity is called activity series.
  • The activity series helps decide the method of extraction.
  • High reactivity metals are potassium, sodium, calcium, magnesium, and aluminium.
4

Extraction of Metals

  • Extraction of metals from ores has three stages: concentration, extraction of crude metal, and refining.
  • For metals at the top of the activity series, electrolysis of fused compounds is used.
  • For sodium, fused sodium chloride is electrolysed using steel cathode and graphite anode.

Key Concepts

Central concept: Metallurgy: extraction of metals from ores and their purification

Occurrence of metals in natureConcentration or dressing of oreExtraction of crude metalRefining of metalPyrochemical processesCorrosion

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Frequently Asked Questions

What are the important topics in Principles of Metallurgy for Telangana Board Class 10 Physical Sciences?
Key topics in Principles of Metallurgy include Occurrence of Metals in Nature, Concentration or Dressing of Ore, Activity Series and Extraction Based on Reactivity, Extraction of Metals. Study these first, then practise questions on each for the Telangana Board Class 10 board exam.
How should I revise Principles of Metallurgy for the Telangana Board Class 10 board exam?
Learn the core ideas first, then work through the 44 practice questions on Principles of Metallurgy. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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