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Science

Corrosion and extraction basics

In this Class 10 Science topic from Metals and Non-metals, students learn how corrosion gradually damages metals through reactions with air, moisture, or other environmental factors. They explore everyday examples such as rusting, identify conditions that speed up corrosion, and understand prevention methods including painting, oiling, galvanising, alloying, and electroplating. The topic also introduces how useful metals are obtained from ores through concentration, conversion to oxides, reduction, and refining, with extraction methods linked to the metal’s reactivity.

Medium · Level 1 · 1 questions

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  1. Because their basic bone structure is similar
  2. Because both are used for flying
  3. Because both have different origin
  4. Because both have no bones

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