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HomeCIE IGCSE ChemistryFats, oils and their reactions (including hydrogenation)
CIE · IGCSE · Chemistry

Fats, oils and their reactions (including hydrogenation)
Practice Questions

24 CIE IGCSE Chemistry questions on Fats, oils and their reactions (including hydrogenation), each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Fats, oils and their reactions (including hydrogenation)

Question 1 · 1 mark · Difficulty 1/3

What is the main structural difference between fats and oils?

  1. Fats contain more carbon atoms than oils
  2. Fats contain more saturated fatty acids than oils
  3. Fats contain more glycerol molecules than oils
  4. Fats contain more oxygen atoms than oils
Show answer & explanation
✓ Answer: BFats contain more saturated fatty acids than oils
Award 1 mark for identifying that fats contain more saturated fatty acids. A is incorrect — both fats and oils can have similar chain lengths. C is incorrect — both contain one glycerol molecule per triglyceride. D is incorrect — the number of oxygen atoms is the same in both.
Question 2 · 1 mark · Difficulty 1/3

Which of the following correctly describes the structure of a triglyceride molecule?

  1. Three glycerol molecules bonded to one fatty acid
  2. One glycerol molecule bonded to three fatty acids by ester linkages
  3. One glycerol molecule bonded to three fatty acids by peptide linkages
  4. Three glycerol molecules bonded to three fatty acids
Show answer & explanation
✓ Answer: BOne glycerol molecule bonded to three fatty acids by ester linkages
Award 1 mark for correct description of triglyceride structure. A is incorrect — the ratio is reversed. C is incorrect — peptide linkages are found in proteins, not fats. D is incorrect — only one glycerol molecule is present in a triglyceride.
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CIE IGCSE Chemistry: Fats, oils and their reactions (including hydrogenation) FAQ

How many CIE IGCSE Chemistry questions on Fats, oils and their reactions (including hydrogenation) are there on Kramizo?
Kramizo currently has 24 exam-board-aligned practice questions on Fats, oils and their reactions (including hydrogenation) for CIE IGCSE Chemistry, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CIE paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CIE IGCSE students preparing for Chemistry?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Fats, oils and their reactions (including hydrogenation) practice with other Chemistry topics or even switch to a totally different CIE subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Fats, oils and their reactions (including hydrogenation) questions aligned to the official CIE IGCSE Chemistry syllabus?
Every question is written against the published CIE IGCSE Chemistry specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CIE paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CIE.
How is Fats, oils and their reactions (including hydrogenation) typically tested on CIE IGCSE Chemistry papers?
Fats, oils and their reactions (including hydrogenation) appears across multiple question types on real CIE IGCSE Chemistry papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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