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Science / Chemical Reactions and Equations

Science / Chemical Reactions and Equations

Think what happens when milk is left at room temperature during summers, why grapes get fermented and how food gets digested in our body. In all these situations, the nature and the identity of the initial substance changes. We can say that a chemical reaction has taken place.

A chemical reaction is a process that leads to the transformation of a set of substances to another. It is represented by a chemical equation. A complete chemical equation represents the reactants, products and their physical states symbolically. A chemical equation is balanced so that the number of atoms of each type of reactant involved in the chemical reaction remains the same on the reactant and product sides of the equation. Equations must always be balanced.

In this chapter we'll learn about the types of chemical reactions, oxidation and reduction.

Exercises
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Exercises
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  • Chemical Reactions and Equations - SmartTest

    A SmartTest on Chemical Reactions and Equations

    • Accessed by: 508 Students
    • Average Time: 00:04:57
    • Average Score: 53.35
    • Questions: 72
    • Introduction to Chemical Reactions and Equations
    • Chemical Equations
    • Understanding and Writing Chemical Equations
    • Balanced Chemical Equations
    • Types of Chemical Reactions
    • Effects of oxidation in everyday life
    • Review of Chemical Reactions and Equations

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