log up log in
ncert help

NCERT Solutions, CBSE Sample paper, Latest Syllabus, NCERT Books, Last Year Question Papers and Many More ...


=Substance and Type of Substances

=Mixture, Homogeneous Mixtures, Heterogeneous mixtures

=Solution, Properties of Solution

=Suspension, Properties of Suspension

=Colloid, Properties of Colloid

=Tyndall Effect

=Method of Separating the Component of Mixture

=obtain the coloured component (dye) from a ink

=Use of separating funnel




=Method of Simple Distillation

=Method of Fractional Distillation

=Obtain Different Gases from Air

=Crystallisation, Application of Crystallisation

=Physical Change

=Chemical Change

=Diagram of water purification system

=Differentiate between mixtures and compounds.

=Classification table of matter.


What is a chemical change? Give example.

What is a chemical change? Give example.
Answer: A change in which a substance reacts with another substance to undergo a change in chemical composition. For example burning of a candle in which wax burns and converted into carbon dioxide and water.

Open your video in VLC player or add '.mp4' extension at end of the video

What is a chemical change? Give example.

Please Click on G-plus or Facebook

Please send your queries at contact ncerthelp@gmail.com


Every effort has been made to ensure accuracy of data on this web site. We are not responsible for any type of mistake in data.
All pdf files or link of pdf files are collected from various Resources Or sent by Students. If any pdf file have any copyright voilation please inform us we shell remove that file from our website.Thanks