Q1. Write down the percentage of various elements in the earth's crust.
Q2. What is mineral and ore?
Q3. What is metallurgy?
Q4. What is gangue?
Answers
Answer:
Q1. oxygen 46.60%
silicon 27.72%
aluminum 8.13%
iron 5.00
Q2.Natural materials. The Earth is the main source of minerals and ores. ... Minerals are the natural materials in which the metals and their compounds are found in earth. Ores are those minerals from which metal are extracted conveniently and profitably. These ores contain good percentage of met
Q3Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are called alloys. Metallurgy encompasses both the science and the technology of metals
Q4.GANGUE is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore deposit. ... It is a necessary, and often significant, aspect of mining.
Explanation:
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