10-Day Revision Plan
Some Basic Concepts of Chemistry + Structure of Atom + Classification of Elements & Periodicity + Redox Reactions
Day 1 — Basic Concepts (Part 1)
- Importance of chemistry, physical quantities & SI units
- Precision, accuracy, significant figures
- Laws of chemical combination (conservation of mass, definite proportions, multiple proportions, reciprocal proportions, Gay Lussac's law)
- Dalton's atomic theory (recap)
- Practice: significant figure & unit conversion problems
Day 2 — Basic Concepts (Part 2)
- Atomic mass, molecular mass, formula mass
- Mole concept, Avogadro number
- Molar mass, percentage composition
- Empirical formula & molecular formula (numericals)
- Stoichiometry and stoichiometric calculations
- Limiting reagent problems
- Practice: 10–12 mole concept/stoichiometry numericals
Day 3 — Structure of Atom (Part 1)
- Discovery of electron, proton, neutron
- Thomson's, Rutherford's atomic models (and their limitations)
- Atomic number, mass number, isotopes, isobars
- Electromagnetic radiation, Planck's quantum theory
- Photoelectric effect
- Bohr's model of hydrogen atom + line spectrum of hydrogen
Day 4 — Structure of Atom (Part 2)
- Limitations of Bohr's model
- Dual behaviour of matter (de Broglie equation)
- Heisenberg's uncertainty principle
- Quantum mechanical model of atom (basic idea)
- Quantum numbers: n, l, m, s — meaning and allowed values
- Shapes of s, p, d orbitals
- Aufbau principle, Pauli exclusion principle, Hund's rule
- Electronic configuration of atoms (practice writing configs)
Day 5 — Full Revision: Basic Concepts + Structure of Atom
- Redo all numericals (mole concept + quantum numbers) without notes
- Self-test: 15 MCQs + 5 short answers (30 min, timed)
- List weak points for later review
Day 6 — Classification of Elements & Periodicity (Part 1)
- Need for classification, brief history (Döbereiner, Newlands, Mendeleev)
- Modern periodic law, present form of periodic table
- Nomenclature of elements with atomic number >100
- Electronic configurations and types of elements (s, p, d, f block)
- Periods and groups, valence electrons
Day 7 — Classification of Elements & Periodicity (Part 2)
- Periodic trends: atomic radius, ionic radius
- Ionization enthalpy, electron gain enthalpy, electronegativity
- Trends across periods and down groups (with reasons)
- Periodic trends in chemical reactivity
- Anomalous properties of second period elements (diagonal relationship)
- Practice: trend-comparison and reasoning-based questions
Day 8 — Redox Reactions
- Classical idea of oxidation-reduction
- Oxidation number concept — rules for assigning
- Types of redox reactions: combination, decomposition, displacement, disproportionation
- Balancing redox equations:
- Oxidation number method
- Half-reaction (ion-electron) method
- Redox reactions in terms of electron transfer
- Practice: balance 10–12 redox equations using both methods
Day 9 — Full Revision: Periodicity + Redox
- Redo periodic trend diagrams and redox balancing from memory
- Solve previous year/HOTS questions (mixed from both chapters)
- Quick recap table: element block | trend | reason
- Mark remaining doubts for Day 10
Day 10 — Mock Test + Final Touch-Up
- Full mock test (1–1.5 hrs): mix of all 4 chapters — MCQs, numericals, short & long answers
- Evaluate and revisit weak areas
- Rapid-fire recap:
- Mole concept formulas
- Quantum numbers & electronic configuration rules
- Periodic trends (across period/down group)
- Redox balancing steps
- Final one-page cheat sheet read-through (all 4 chapters)
Daily Tips
- Do at least 5–8 numericals daily (mole concept, redox balancing) — this chapter set is calculation-heavy.
- Keep a running "formula sheet" (mole formulas, quantum number rules, periodic trend summary).
- Use blank periodic table printouts to test yourself on trends without labels.
- Spend last 10 minutes each day writing electronic configurations of 5 random elements from memory.
10-Day Revision Plan
Chemical Reactions & Equations + Acids, Bases and Salts
Day 1 — Chemical Equations Basics
- Writing and balancing chemical equations (hit-and-trial method)
- Word equations → symbol equations
- Types of reactions: Combination & Decomposition
- Sub-types of decomposition: thermal, electrolytic, photolytic
- Practice: Balance 15–20 equations from NCERT
Day 2 — More Reaction Types
- Displacement and Double Displacement reactions
- Precipitation reactions (identify precipitate formation)
- Oxidation & Reduction — definitions in terms of gain/loss of oxygen and hydrogen
- Redox reactions — identify oxidised/reduced species in given equations
- Practice: Identify reaction type for 20 mixed equations
Day 3 — Everyday Applications
- Effects of oxidation in daily life: Corrosion and Rancidity
- Ways to prevent rancidity (antioxidants, airtight containers, refrigeration, nitrogen flushing)
- Quick revise Day 1 & 2 concepts (10 min flash recall, no notes)
- Solve 5 previous-year/HOTS questions
Day 4 — Full Revision: Chapter 1
- Complete NCERT in-text + end-of-chapter questions
- Make a one-page equation/keyword cheat sheet
- Self-test: 15 MCQs + 5 short-answer questions (timed, 30 min)
Day 5 — Acids and Bases: Properties
- Chemical properties of acids and bases
- Reaction of acids/bases with metals (H₂ gas test)
- Reaction with metal carbonates/bicarbonates (CO₂ test)
- Reaction of acids with bases (neutralization)
- Natural, synthetic, and olfactory indicators (litmus, turmeric, onion/vanilla)
Day 6 — pH Concept
- pH scale (0–14), pH paper vs universal indicator
- Relation between H⁺ ion concentration and pH
- Importance of pH in everyday life:
- Human body (stomach acid, tooth decay)
- Plants and animals (soil pH, aquatic life)
- Digestion (antacids)
- Practice pH-based numericals/diagram questions
Day 7 — Salts (Part 1)
- Family of salts, pH of salt solutions (acidic/basic/neutral salt)
- Common salt (NaCl) — preparation & uses
- Chlor-alkali process → NaOH, Cl₂, H₂ and their uses
- Bleaching powder — preparation, formula (CaOCl₂), uses
Day 8 — Salts (Part 2)
- Baking soda (NaHCO₃) — preparation, uses, reaction on heating
- Washing soda (Na₂CO₃·10H₂O) — preparation from baking soda, uses
- Plaster of Paris (CaSO₄·½H₂O) — preparation, setting reaction, uses
- Water of crystallization — concept + examples (gypsum, blue vitriol)
- Revise Day 5–7 with a self-made table (salt | formula | prep | uses)
Day 9 — Full Revision: Both Chapters
- Redo all equations from both chapters without looking (write from memory)
- Diagram practice: activity setups (e.g., zinc + acid, rusting experiment)
- Solve previous year board questions (both chapters mixed)
- List down formulas/definitions still shaky — mark for Day 10
Day 10 — Mock Test + Final Touch-Up
- Take a full mock test (1 hour): mix of MCQs, short answer, long answer, HOTS
- Evaluate and identify weak spots
- Rapid-fire revision of:
- All reaction types with examples
- All salt formulas and uses
- pH values of common substances
- Final cheat-sheet read-through (both chapters, 20–30 min)
Daily Tips
- Spend the last 10 minutes of each day writing 5 equations from memory.
- Keep a single running list of "confusing points" — review it every 2 days.
- Use active recall (self-quiz) over passive re-reading wherever possible.
