Surface Chemistry (Class 12): Adsorption, Colloids and Catalysis

September 2, 2026

| class 11-12 chemistry, Class 12, Gurugram

Class 12 · Chemistry Surface Chemistry (Class 12): Adsorption, Colloids and Catalysis A chapter of definitions that becomes far easier once you sort every term into one of three groups — adsorption, colloids, or catalysis. Class 12 · CBSE & ISC · Concept The short answer: Adsorption is accumulation at a surface, distinct from absorption throughout a bulk. Colloids are dispersions with particle sizes between true solutions and suspensions, classified by the phases involved and by their affinity for the medium. Catalysis is explained by adsorption of reactants onto a surface that lowers the activation energy. Adsorption, and how it…

Class 12 Chemistry: How to Write Answers That Actually Score in the Board Exam

August 28, 2026

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| class 11-12 chemistry, Class 12

Class 12 · Exam Technique Class 12 Chemistry: How to Write Answers That Actually Score in the Board Exam Knowing the chemistry and writing an answer that earns full marks are two different skills. The second one is learnable in a fortnight. Class 12 · Chemistry · CBSE & ISC · Published 28 August 2026 In short: Every year students come out of the chemistry board exam certain they knew everything, and score below what they expected. The gap is almost always presentation: reasons not stated, conditions missing from reaction arrows, numericals without units, and answers whose length does not…

Biomolecules (Class 12): Carbohydrates, Proteins and Nucleic Acids Without the Cramming

August 28, 2026

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| class 11-12 chemistry, Class 12

Class 12 · Chemistry Biomolecules (Class 12): Carbohydrates, Proteins and Nucleic Acids Without the Cramming Biomolecules looks like a memory chapter and is usually taught like one. Organised around structure, it becomes one of the fastest chapters to secure. Class 12 · Chemistry · CBSE & ISC · Published 28 August 2026 In short: Most students meet Biomolecules as a wall of names and give up on understanding it. But the chapter has a spine: every class of biomolecule is a small unit joined by a specific linkage into a larger structure, and almost every question tests either the unit,…

Coordination Compounds (Class 12): CFT, Colour, Magnetism and Isomerism Made Clear

August 26, 2026

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| class 11-12 chemistry, Class 12, Inorganic Chemistry

Crystal field splitting explains colour, magnetism and geometry in one framework. Nomenclature rules, all six isomerism types, the spin-only formula and CFSE, with worked Class 12 examples.

12 Class chemistry home tutor in Dwarka Delhi

February 2, 2026

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Class 12 Chemistry is one of the most important subjects for board exams and competitive entrances. If you are searching for a 12 Class Chemistry home tutor in Dwarka Delhi, personalised guidance can make a big difference in understanding concepts and scoring high. ABC Chemistry provides expert home tuition specially designed for Class 12 Chemistry students following the CBSE syllabus. Why Class 12 Chemistry Needs a Home Tutor Class 12 Chemistry includes complex topics such as Electrochemistry, Organic reactions, and Coordination compounds. Therefore, students often struggle without proper guidance. Moreover, school classes may not provide enough individual attention. A home…

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