Skip to main content
Super TutorResources
Chapter 15 of 15
Revision Notes

Chemistry in Everyday Life — Revision Notes

Tamil Nadu Board · Class 12 · Chemistry

Chemistry in Everyday Life revision notes for Tamil Nadu Board Class 12 Chemistry: 4 topics in quick points. Includes 1 DRUGS AND CHEMOTHERAPY, 1.1 DRUG.

44 questions40 flashcards5 concepts

Interactive on Super Tutor

Studying Chemistry in Everyday Life? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for revision notes and more.

Try Super Tutor — Free

Free trial, no card needed.

A flowchart illustrating the various ways polymers are classified: based on source (natural, synthetic), structure (linear, branched, network), synthesis (addition, condensation), and molecular forces
Super Tutor

Learn better with visuals Super Tutor pairs illustrations like this with notes and quizzes for Chemistry in Everyday Life.

Key Topics to Revise

1

15.1 DRUGS AND CHEMOTHERAPY

  • A drug is a substance used to modify physiological systems or treat pathological states for diagnosis, prevention, or cure of disease
  • Medicine is a drug that interacts with macromolecular targets (proteins) to produce therapeutic biological response
  • Chemotherapy is the specific treatment of disease using medicine
2

15.1.1 DRUG CLASSIFICATION SYSTEMS

  • Classification by chemical structure groups drugs with similar molecular frameworks (e.g., penicillins all have beta-lactam ring)
  • Penicillins include: Penicillin G, V, ampicillin, amoxicillin, methicillin - all share core structure but have different R-groups
  • Classification by pharmacological effect groups drugs by their biological actions (e.g., all antibiotics kill bacteria)
3

15.1.2 IMPORTANT DRUG CLASSES AND THERAPEUTIC ACTIONS

  • TRANQUILIZERS: Act on CNS by blocking dopamine; major (haloperidol, clozapine) for psychosis; minor (diazepam, alprazolam) for anxiety
  • ANALGESICS (non-narcotic): Reduce pain without consciousness impairment; include NSAIDs, antipyretics
  • Aspirin: NSAID that relieves pain, reduces fever, prevents platelet coagulation (heart attack prevention)
4

15.2 FOOD ADDITIVES

  • Food additives are non-naturally occurring substances added to food to improve quality, appearance, or shelf-life
  • Main categories: aroma compounds, artificial sweeteners, food colours, antioxidants, preservatives, buffering substances, stabilizers, vitamins, minerals
  • Preservatives inhibit fermentation, acidification, and decomposition by preventing microbial growth

Get complete notes with diagrams and examples

Full Notes

Key Concepts

A drug is a substance usedDrugs can be classified in fourMany drugs work by inhibiting enzymeReceptors are specific molecules on cellMajor drug classes include

Frequently Asked Questions

What are the important topics in Chemistry in Everyday Life for Tamil Nadu Board Class 12 Chemistry?
Key topics in Chemistry in Everyday Life include 1 DRUGS AND CHEMOTHERAPY, 1.1 DRUG CLASSIFICATION SYSTEMS, 1.2 IMPORTANT DRUG CLASSES AND THERAPEUTIC ACTIONS, 2 FOOD ADDITIVES. Study these first, then practise questions on each for the Tamil Nadu Board Class 12 board exam.
How should I revise Chemistry in Everyday Life for the Tamil Nadu Board Class 12 board exam?
Learn the core ideas first, then work through the 44 practice questions on Chemistry in Everyday Life. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Chemistry in Everyday Life

All Tamil Nadu Board Class 12 Chemistry Revision Notes

For serious students

Get the full Chemistry in Everyday Life chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for Tamil Nadu Board Class 12 Chemistry. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free