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class 10 Science cbse ncert notes

Chemical Reactions and Equations

The process in which a substance goes under chemical change and new product or producs are formed...

Acid, Base & Salt

Taste of foods makes our life tasty. Every food we eat has some taste. Those tastes are sour, swe...

Metals & Non-metals

Substances can be classified into two categories i.e. between metals and non-metals on the basis ...

Carbon and Its Compounds

Carbon is the 15th most abundant element in earth's crust and fourth most abundant element in...

Periodic Classification of Elements

Need of classification of elements became necessary with increase in discovery of elements.

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Reproduction

No organism survives forever and therefore, if a species is to continue to exist, its members mus...

Heredity and Evolution

The branch of science which deals with the transmission of characters from one generation to anot...

Light: Reflection & Refraction

Light travels in straight line. An opaque object obstructs rays of light when it comes in the pat...

The Human Eye

Eye is one of the most important sense organs. It is the eye which enables us to see and understa...

Electricity

Today electricity became one of the most important needs for human. It appears that without elect...

Magnetic Effects of Electric Current

When a compass is brought near an electric current carrying conductor, the needle of compass gets...

Sources of Energy

Capacity of doing work is called energy. We use our muscular energy to do many works. Apart from ...