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Question

Difficulty: MediumChemical Industries, Raw Materials, and Siting Factors

Match each chemical industry location in Nigeria with the primary raw material or major siting factor that led to its establishment.

  • Cement manufacturing plant at EwekoroAbundant local limestone deposits
  • Petroleum refinery at Port HarcourtProximity to crude oil fields and marine transport
  • Soap manufacturing industry at AbaAvailability of palm oil and vegetable fats
  • Nitrogenous fertilizer complex at ElemeNatural gas feedstock for ammonia synthesis

Answer

Cement plant at Ewekoro matches Abundant local limestone deposits; Petroleum refinery at Port Harcourt matches Proximity to crude oil fields and marine transport; Soap industry at Aba matches Availability of palm oil and vegetable fats; Nitrogenous fertilizer complex at Eleme matches Natural gas feedstock for ammonia synthesis.
Each industry is paired correctly according to its fundamental chemical raw materials and industrial geography in Nigeria: cement requires limestone deposits found at Ewekoro; crude oil refining relies on coastal oilfields near Port Harcourt; soap making relies on local vegetable fats around Aba; and synthetic fertilizer manufacturing utilizes natural gas reserves at Eleme.

Step-by-Step Solution

1
Identify the primary chemical reaction and bulk raw material required for each industry.
Cement manufacturing requires limestone (CaCO3CaCO_3); soap production requires vegetable oils/fats; petroleum refining requires crude oil; nitrogenous fertilizer synthesis requires natural gas (CH4CH_4) for hydrogen gas generation.
Chemical industries prioritize proximity to raw materials when the bulk material loses mass during processing or incurs heavy freight expenses.
2
Correlate each chemical industry with its specific geographic siting context in Nigeria.
Ewekoro has vast limestone deposits; Port Harcourt is adjacent to Niger Delta crude oil fields; Aba has access to palm oil belts; Eleme has natural gas pipeline connections.
Industrial siting decisions optimize raw material availability, power supply, transport infrastructure, and market accessibility.

Key Concept

Factors governing the siting of chemical industries and raw material misallocation.
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Topics

Chemical Industries, Raw Materials, and Siting Factors

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