Telangana Open School (TOSS) Class 12 Chemistry — Practice Quiz
Telangana Open School (TOSS) Class 12 Chemistry practice quiz, chapter by chapter — 1957 practice questions across 41 chapters. Follows the TOSS syllabus.
How to use this page
Each chapter below has a practice quiz with answers and explanations. Attempt it without notes, then read why each answer is right.
Chapter-wise Practice Quiz — 41 Chapters
Which of the following is the correct symbol for kilo?
How many molecules are present in 1 mole of oxygen gas (O₂)?
The atomic mass unit (amu) is defined as 1/12th the mass of which atom?
What is the rocky impurity present in an ore called?
Which of the following is a sulphide ore?
Which process is used to remove gangue from powdered ore?
Which segment of the environment includes minerals, metals, and rocks?
The atmosphere is important because it contains:
Pollution refers to the deterioration of natural resources due to:
38 more chapters below
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Try Super Tutor freeFrequently Asked Questions
Where can I find Telangana Open School (TOSS) Class 12 Chemistry Practice Quiz?
This page has practice quiz for 41 chapters of Telangana Open School (TOSS) Class 12 Chemistry for the board exams 2027. Each chapter links to its own page with the full set.
How should I prepare for Telangana Open School (TOSS) Class 12 Chemistry board exams?
Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.
How should I use the Telangana Open School (TOSS) Class 12 Chemistry practice quizzes?
Attempt a chapter quiz without notes, then read the explanation for every question you got wrong. Retake it after a few days to check the ideas have stuck.
Browse Practice Quiz by Chapter
41 chapters
Mole Concept
Occurance and Extraction of Metals
Environmental Concerns
Chemical Arithmetics
Hydrogen and s - block Elements
Air Pollution
Atomic Structure
General Characteristics of the p-block Elements
Water Pollution
Periodic Table and Atomic Properties
p-block Elements and their Compounds - I
Heavy Metal and Radioactive Pollution
Chemical Bonding
p-block Elements and their Compounds - II
Noise and Soil Pollution
The Gaseous state
d-block and f-block Elements
Petrochemicals
The Liquid State
Coordination Compounds
Polymers
The Solid State
Nomenclature and General Principles
Dyes, Paints and Pigments
Solutions
Hydrocarbons
Drugs and Medicines
Colloids
Compounds of Carbon Containing Halogens (Haloalkanes and Haloarenes)
Building Materials
Chemical Thermodynamics
Alcohols, Phenols and Ethers
Spontaneity of Chemical reactions
Aldehydes, Ketones and Carboxylic Acids
Chemical Equilibrium
Compounds of Carbon Containing Nitrogen
Ionic Equilibrium
Biomolecules
Electro Chemistry
Chemical Kinetics
Adsorption and Catalysis
More Chemistry Resources
Telangana Open School (TOSS) Class 12
Important Questions
Exam-style questions with answers
Revision Notes
Key concepts and quick revision points
Formula Sheet
The formulas of each chapter in one place
Chapter Summary
Understand each chapter at a glance
Concept Maps
Diagrams showing how topics connect
Study Plan
Week-by-week preparation schedule
Flashcards
Quick-fire cards for active recall practice
Syllabus
Chapter list and the topics in each