The Science Behind Solving Crimes
Part of Chromatography · GCSE GCSE Chemistry revision
This introduction covers The Science Behind Solving Crimes within Chromatography for GCSE Chemistry. Revise Chromatography in Chemical Analysis for GCSE Chemistry with 23 exam-style questions and 15 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 1 of 13 in this topic. Use this introduction to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 1 of 13
Practice
23 questions
Recall
15 flashcards
🕵️ The Science Behind Solving Crimes
In 1995, a forger was caught because forensic scientists ran chromatography on ink from a document. The ink produced three spots — the forger had mixed different inks to try to match the original. The genuine signature produced only one spot. Paper chromatography, a technique invented in 1944, uses nothing more than paper and solvent to separate mixtures into their individual components. Today it helps catch criminals, test food dyes, and quality-check medicines.
Keep building this topic
Read this section alongside the surrounding pages in Chromatography. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Chromatography
What is the purpose of chromatography?
Explain how a chromatogram can be used to determine whether a substance is pure or a mixture.
Quick Recall Flashcards
23 questions on Chromatography — practise free
Instant marking, adaptive difficulty, and 15 spaced repetition flashcards. Free until your GCSEs.
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