Class 12 Archives - ABC Chemistry – Best Chemistry Coaching in Dwarka, Delhi

Online Chemistry Tuition for Class 11 and 12: How It Actually Works, and When It Does Not

August 28, 2026

| Blog, class 11-12 chemistry

Tuition · Online Online Chemistry Tuition for Class 11 and 12: How It Actually Works, and When It Does Not Online tuition works well for some students and quietly fails for others. The difference is rarely the technology — it is whether written work is genuinely corrected. Class 11 & 12 · Chemistry & Maths · Delhi, Noida, Gurgaon & online · Published 28 August 2026 In short: A good online chemistry class is not a video lecture with a chat box. It needs live two-way teaching, written work submitted and returned with corrections, and a way for the tutor…

Class 11 vs Class 12 Chemistry Tuition: Why the Two Years Need Different Teaching

August 28, 2026

| Blog, class 11-12 chemistry

Tuition · Class 11 & 12 Class 11 vs Class 12 Chemistry Tuition: Why the Two Years Need Different Teaching Parents often ask for “the same tuition as last year”. The two years are not the same problem, and treating them identically is a common reason results plateau. Class 11 & 12 · Chemistry · Delhi, Noida & Gurgaon · Published 28 August 2026 In short: Class 11 chemistry is about building a framework that later years depend on; Class 12 is about coverage, answer technique and pace under a board deadline. A tutor who teaches both years the same…

Application of Derivatives (Class 12 Maths): Maxima, Minima and Tangents Solved

August 25, 2026

| Class 11 - 12 Maths, Class 12

The first and second derivative tests, why a critical point is not automatically a maximum, and the word problems that carry the heaviest marks.

Aldehydes, Ketones and Carboxylic Acids (Class 12): The Reactions You Must Know

August 25, 2026

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

Distinguishing tests that actually appear in the paper, why aldehydes are more reactive than ketones, and what governs acid strength.

d-Block and f-Block Elements (Class 12): Trends, Colour and Magnetic Behaviour

August 25, 2026

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

Why transition metals are coloured, where variable oxidation states come from, and what lanthanoid contraction actually explains.

Haloalkanes and Haloarenes (Class 12): SN1 versus SN2 Explained Simply

August 24, 2026

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

What actually decides the mechanism, why haloarenes resist substitution, and the stereochemistry point that appears almost every year.

Vectors and 3D Geometry (Class 12 Maths): Key Formulas and Board-Style Questions

August 24, 2026

| Class 11 - 12 Maths, Class 12

Dot and cross products, the angle between lines and planes, and the shortest distance between skew lines — the highest-yield block in the paper.

Solutions and Colligative Properties (Class 12): Formulas Plus Solved Numericals

August 24, 2026

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

Raoult’s law, the four colligative properties, and the van’t Hoff factor that decides whether your answer is right or half right.

Chemical Kinetics (Class 12): Rate Law, Order and Half-Life Made Simple

August 24, 2026

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

Order versus molecularity, the integrated rate equations you are actually asked to use, and where students lose marks in kinetics numericals.

Last-30-Days Revision Plan for Class 12 Chemistry Boards

August 23, 2026

| class 11-12 chemistry, Class 12

A realistic last-month revision plan for Class 12 Chemistry boards — rotate Physical, Organic and Inorganic and solve past papers.

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