EVERYDAY SCIENCE

SCIENCE

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Chemical reactions start with ____ and end with ____
A
Reactants, Products
B
Products, Reactants
C
Substances, Chemicals
D
Chemicals, Compounds
Explanation: 

Detailed explanation-1: -Chemical reactions occur when chemical bonds between atoms are formed or broken. The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.

Detailed explanation-2: -In a chemical reaction the reactants (what you start with) are converted into products (what you end with). The reactants, which are shown on the left hand side of an equation, and the products, which are shown of the right, are separated by an arrow.

Detailed explanation-3: -Answer and Explanation: The type of chemical reaction in which two or more reactants combine to form one product only is a (a). synthesis reaction. The opposite of this is called a decomposition reaction.

Detailed explanation-4: -The substance(s) to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products. A product is a substance that is present at the end of a chemical reaction.

Detailed explanation-5: -All chemical reactions involve both reactants and products. Bonds break in the reactants, and new bonds form in the products. Reactants are substances that start a chemical reaction, and products are substances produced in the reaction.

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