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CHEMISTRY
Welcome to Raj Mpella Blog, your trusted source for simplified secondary school learning materials. In this Chemistry...
Composition of air Air is a mixture of different gases. The gases that make up the air...
MATTER Is anything that occupies space and has weight. Including all common materials around animals. States of...
The Concept of Scientific Procedure The scientific method (procedure) is a process that scientists use to ask...
Heat sources Most chemical reactions require heat to proceed. It is therefore important to have sources of...
A laboratory is a room or building specially designed for conducting various scientific experiments. An appropriate school...
INTRODUCTION TO CHEMISTRY What is chemistry Chemistry is a branch of science that deals with the study...
