and silver in seawater are precipitated by the wood.” Liversidge suggests that even with such processes as he used there is reason to think that it might pay to extract gold as “a byproduct in the manufacture of salt, bromine, etc.” A Task for the Imagination. One is at a loss to comprehend the enormous
One of the topics covered in the chemistry section of GCSE science, is building materials. As part of that, Year 10 and Year 11 pupils need to know the methods used to extract unreactive metals from ores (for example, smelting). This valuable quiz, created for AQA's Syllabus A, will help you revise.