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Why use biological extraction?

Why use biological extraction?

A low-grade ore contains only a small percentage of metal. Smelting it requires a huge mass of rock to be mined, crushed and heated for a relatively small amount of metal.

6.1.3 Biological methods of metal extraction Lesson

  1. GCSE
  2. /Chemistry
  3. /6.1.3 Biological methods of metal extraction

Step-by-step lessons on OCR GCSE Chemistry 6.1.3 Biological methods of metal extraction. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons