ZZaheen

Master your exams. One topic at a time.

Quizzes, notes, and flashcards for O Levels

Periodic Table

Elements, symbols, groups, periods, and properties

Atomic Structure

Atoms, ions, ionic, covalent, and metallic bonding

Stoichiometry

Moles, formulae, reacting masses, empirical formulae, and percentage calculations

Electrochemistry

Electrolysis, half-equations, electroplating, copper purification, and aluminium extraction

Forces

Types of forces, Newton's laws, weight, friction, moments, and pressure

Mental Maths Drill

Addition, subtraction, multiplication, division, negatives, percentages, BODMAS

Times Tables

Tables 2× through 12× with quiz mode

Algebra

Expanding, factorising, solving equations, simultaneous equations, indices, sequences, and functions

Reading Comprehension · سمجھ بوجھ

Choose a passage, read it carefully, then answer comprehension questions — O Level Urdu style.

Grammar Quiz · قواعد

Gender, singular/plural, parts of speech, tenses, antonyms, and synonyms — 10 random questions each session.

Literary Devices · صنائع بدائع

Ghazal structure, تشبیہ، استعارہ، تشخیص، مبالغہ، تلمیح، ایہام، تضاد and Paper 2 technique — essential for the 50% literature paper.

Essay & Letter Writing · مضمون نویسی

Mark scheme strategy, all four essay types, formal letter and درخواست format, paragraph structure, and common errors — Paper 1 Part 2.

SAT

Language — Standard English Conventions

Sentence boundaries, verb tense, subject-verb agreement, pronouns, modifiers, parallel structure, transitions, and commonly confused words.

Vocabulary — Words in Context

Mid-level academic vocabulary tested the digital SAT way — pick the word that best fits the meaning and tone of a sentence in context.