PDF chapter test TRY NOW
1. Define the following terms. (i) Mineral (ii) Ore (iii) Gangue
are natural materials in which metals or their compounds can be found on the earth.
are minerals that may be used to extract metals conveniently and profitably.
In a/an , refers to unwanted impurities such as sand, rocky material, earth particles, limestone, mica, etc.
2. Name two metals which are found in nature in the free state.
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