Class notes
Treasure for Revision
These notes are 100per cent verified. Made by lot of research and analysis. In my whole 9th class, I have studied from these notes only. It will be also beneficial for other students also.
nutansharma
Class notes
Chemical Reactions and Equations
Chemical Reaction : – Whenever a chemical change occurs we can say that a chemical reaction has taken place eg – Food gets digested in our body – Rusting of iron. Chemical Equation :– A chemical reaction can be expressed symbolically by using chemical equation eg magnesium is burnt into air to form magnesium oxide can be represented as Mg + O2 → MgO – We can observe or recognise a chemical reaction by observing change in state, colour, by evolution of gas or by change in te...
babugiyadav758
Class notes
Computers shortcut .computer basic computers short cut key,
It help you to understand a basic computers adca .and you will have to be understand easily computers shortcut key.
solareclip