Unit I
Chemical Substances - Nature and Behaviour
25 marks
Chemical reactions, acids-bases-salts, metals, carbon compounds
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CBSE Class 10 Science Syllabus
Science syllabus split into Physics, Chemistry and Biology.
Unit-wise marks and chapter scope are arranged for quick revision planning before sample-paper practice.
Unit II
World of Living
25 marks
Life processes, control, reproduction, heredity
Unit III
Natural Phenomena
12 marks
Light and human eye concepts
Unit IV
Effects of Current
13 marks
Electricity and magnetic effects of current
Unit V
Natural Resources
5 marks
Environment and sustainable natural resources
Chapter scope
Chemical Reactions and Equations
Acids, Bases and Salts
Metals and Non-metals
Carbon and Its Compounds
Life Processes
Control and Coordination
How do Organisms Reproduce?
Heredity
Light
Human Eye and Colourful World
Electricity
Magnetic Effects of Electric Current
Environment and Natural Resources
Source: CBSE Science Subject Code 086, Class X Curriculum 2026-27