Distinguish between the following.
1. Metallic and nonmetallic minerals
2. Open-cast mining and shaft mining
3. LPG and CNG
Answers
Answer:
1. Metallic minerals are usually found in igneous rocks while non-metallic minerals are found in sedimentary rocks.
2. Metallic minerals have raw metal and have a shine on their own while non-metallic have no metal in it and don’t have a shine of its own.
3. Examples of metallic minerals: Manganese, bauxite, gold
Examples of non-metallic minerals: Mica, sulphur, potash .
The term CNG is an abbreviation for ‘Compressed Natural Gas’.
The term LPG stands for ‘Liquefied Petroleum Gas’.
Gas
It is natural gas.
It is artificial in nature.
Components
It largely made up of methane.
It is made up of methane and propane.
Source
Obtained from natural gas-and-condensate wells, oil wells, coal bed methane wells.
Automatically generated from gas fields when natural gas is extracted from the reservoir. By-product of cracking process during crude-oil refining.
Explanation:
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