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1. In a compound, chemical energy is contained in the (1 point)
a. nuclei of the atoms.
b. unbonded electrons.
c. bonds.
d. movement of the electrons.

2. Which of the following statements is true about what happens during a chemical reaction? (1 point)
a. Bonds of the reactants are broken, and bonds of the products are formed.
b. Bonds of the reactants are formed, and bonds of the products are broken.
c. The bonds of both the reactants and the products are broken.
d. The bonds of both the reactants and the products are formed.

Sagot :

1. Potential of a chemical substances to undergo transformation in a chemical reaction is known as chemical energy. The chemical energy is stored in the bonds of chemical compounds.

Hence, in a compound, chemical energy is contained in bonds.

2. The process in which one or more substance known as reactants are converted to one or more completely new substances known as products are formed is known as a chemical reaction.

Hence, during a chemical reaction bonds of the reactants are broken, and bonds of the products are formed.

1.C 2.A are the answer to the following questions.

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