STD IX – CHEMICAL CHANGES AND REACTION – (Online)
In this section will learn the following chapters:
1.Types of Chemical Changes
2.Energy changes in a chemical change
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Energy changes in a chemical change
STD IX – CHEMICAL CHANGES AND REACTION – IX ARCHIMEDES
In this section will learn the following chapters:
1.Types of Chemical Changes
2.Energy changes in a chemical change
STD IX – CHEMICAL CHANGES AND REACTION – IX ARCHIMEDES Read More »