Chapter 4 of 7
Syllabus
Metals — Syllabus
Kerala Board · Class 10 · Chemistry
What Metals covers in Kerala Board Class 10 Chemistry: 4 topics, for the 2026-27 session. Part of the Kerala Board Class 10 Chemistry syllabus.
45 questions22 flashcards5 concepts
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4 Topics · Kerala Board Class 10 Chemistry · 2026-27
Topics in Metals
1
Properties and Uses of Metals
- Metals exhibit characteristic properties: metallic lustre, electrical and thermal conductivity, malleability, ductility, and sonority
- These properties make metals suitable for various applications in transport, agriculture, construction, technology, and consumer goods
- Common metals used include iron, copper, aluminium, zinc, tin, and gold
2
Occurrence of Metals in Nature
- Metals occur in Earth's crust mainly in combined form due to high reactivity
- Only less reactive metals like gold, silver, and copper occur in free state
- Minerals are naturally occurring metal compounds; ores are minerals from which metals can be extracted economically
3
Concentration of Ores
- Concentration removes gangue to increase metal content in ore
- Method selection depends on physical and chemical properties of ore and gangue
- Four main methods: hydraulic washing, froth flotation, magnetic separation, and leaching
4
Extraction of Metals from Concentrated Ores
- Extraction method depends on metal's position in reactivity series
- Highly reactive metals (K, Na, Ca, Mg, Al) extracted by electrolysis
- Moderately reactive metals (Zn, Fe, Sn, Pb) extracted by reduction with carbon
Key Concepts
Metals exhibit characteristic properties like sonorityMinerals are naturally occurring metal compoundsFour main methods are usedHighly reactive metals (KIron is extracted in a blast
Work through every topic in Metals with notes and quizzes
Start This ChapterFrequently Asked Questions
What are the important topics in Metals for Kerala Board Class 10 Chemistry?
Key topics in Metals include Properties and Uses of Metals, Occurrence of Metals in Nature, Concentration of Ores, Extraction of Metals from Concentrated Ores. Study these first, then practise questions on each for the Kerala Board Class 10 board exam.
How should I revise Metals for the Kerala Board Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on Metals. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
- Kerala Board of Public Examinations — keralapareekshabhavan.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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