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Frequently asked topics in cbse class 10 science exam

No question can be guaranteed in the CBSE Class 10 exam, but there are topics that are historically important and that appear frequently in the exam. Some of these topics include:


1. Acids, bases and salts:

 Properties, reactions, pH scale, indicators and types of salts.


2. Chemical Reactions and Equations: 

Balanced equations, types of reactions and their applications.


3. Light - 

Reflection and refraction: the law of reflection, spherical mirrors, refraction by lenses and refraction in different media.


4. Electricity: 

Ohm's law, resistance, series and parallel circuits, electric power and internal electric circuits.


5. Magnetic effect of electric current: 

magnetic field, electromagnetic, magnetic field due to current conduction and its application.


6. Carbon and its compounds:

Chemical properties of carbon compounds, functional groups and nomenclature.


7. Control and coordination:

 nervous system, reflex action, endocrine system and coordination in plants.


8. Heredity and Evolution:

 Mendel's law of inheritance, variation, speciation and the theory of evolution.


9. The Human Eye and the World of Color: 

Structure and Function of the Human Eye, Visual Defects and Light Scattering.


Studying these topic thoroughly and practicing with previous years question papers and model papers can help you familiarize yourself with the type of exam and the type of questions asked. Also, a deep understanding of the concepts will prepare you to solve any question that comes to your way.

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