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H₂O
Water
NaCl
Sodium Chloride
CO₂
Carbon Dioxide
CH₄
Methane
O₂
Oxygen
C₆H₁₂O₆
Glucose
NH₃
Ammonia
Our Courses

Choose YourChemistry Course

Expert Chemistry coaching for JEE, NEET, and Class 11 & 12 (CBSE & ICSE) by Er. G. K. Singh — Meerut.

Why Atomos Classes

Everything You Need to Master Chemistry

India's most dedicated Chemistry coaching for JEE, NEET, and Class 11 & 12 (CBSE & ICSE) — by Er. G. K. Singh, Meerut.

5,000+

Students Enrolled

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JEE & NEET

CBSE & ICSE

Board Coverage

1000+

Questions

Chemistry PYQs

Access unlimited Previous Year Questions from JEE, NEET, CBSE & ICSE Chemistry papers — topic-wise and chapter-wise.

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New Sets

Daily Practice Sets

Fresh Chemistry practice questions every day to keep your preparation sharp across all topics and difficulty levels.

200+

Video Lectures

Expert Video Lectures

HD video lectures by Er. G. K. Singh with concept clarity, tricks, and shortcuts for JEE, NEET, and board exams.

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Doubt Resolution

Get instant, personal doubt-solving support from Er. G. K. Singh — no question left unanswered.

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Mock Tests

Mock Test Series

Full-length mock tests modelled on JEE, NEET, and board patterns with detailed performance analysis and topic reports.

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24/7 access to all Chemistry notes, recorded lectures, and study material on any device, from anywhere.

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Student Success

Real Students, Real Results

Students who mastered Chemistry and cracked JEE, NEET, and board exams with Atomos Classes

Er. G. K. Singh sir's Physical Chemistry explanations are unmatched. His way of breaking down thermodynamics and electrochemistry made everything click. Cleared JEE Advanced in my first attempt!

Aryan Mishra

Aryan Mishra

JEE Advanced Qualifier

IIT Delhi

The Organic Chemistry sessions at Atomos Classes were phenomenal. Named reactions, mechanisms, everything taught with crystal clarity. Couldn't have cracked JEE without this coaching!

Divya Agarwal

Divya Agarwal

JEE Main AIR 1240

NIT Trichy

Inorganic Chemistry used to be my weakest point. G. K. Singh sir's systematic approach to periodic trends and coordination compounds helped me score 95+ in Chemistry in JEE!

Rohit Sharma

Rohit Sharma

JEE Advanced Qualifier

IIT Bombay

The mock tests at Atomos were exactly like the real JEE pattern. Regular practice and G. K. sir's guidance helped me nail Chemistry and secure a seat at BITS Pilani!

Sneha Pandey

Sneha Pandey

JEE Main AIR 880

BITS Pilani

Best Chemistry coaching in Meerut, hands down. The PYQ practice sets and chapter-wise tests kept me ahead of my peers. IIT Kanpur dream achieved!

Karan Verma

Karan Verma

JEE Advanced Qualifier

IIT Kanpur

G. K. sir personally solved every doubt I had. His concept-first approach to Chemical Equilibrium and Chemical Bonding transformed my understanding completely!

Priya Singh

Priya Singh

JEE Main AIR 1580

NIT Allahabad