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CHEMCO Exit Exam • Set 14 Question 22 of 30

The process which separates a pure solid in the form of its crystals from a solution

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Direct Answer

Option A: Crystallisation

Crystallisation is the process where a pure solid separates from a solution in the form of crystals. This purification technique is relevant on chemical tankers when handling cargoes prone to solidification or crystallisation due to temperature drops, affecting pumpability and tank cleaning requirements (P&A Manual).

All Options

A
Crystallisation (Correct Answer)
B
Sublimation
C
Chromatography

Detailed Explanation & Context

Crystallisation is the process where a pure solid separates from a solution in the form of crystals. This purification technique is relevant on chemical tankers when handling cargoes prone to solidification or crystallisation due to temperature drops, affecting pumpability and tank cleaning requirements (P&A Manual).

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).

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