BIOLOGY
ENZYMES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Chemical change
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Physical change
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Casual change
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Formal change
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Detailed explanation-1: -A change in which one or more new substances are formed is called a chemical change. A chemical change is also called a chemical reaction. Chemical changes are very important in our lives. All new substances are formed as a result of chemical changes.
Detailed explanation-2: -In a chemical change, new substances are formed. In order for this to occur, the chemical bonds of the substances break, and the atoms that compose them separate and rearrange themselves into new substances with new chemical bonds. When this process occurs, we call it a chemical reaction.
Detailed explanation-3: -Complete answer: New substances formed when breaking of bonds take place and new bonds get formed which results in formation of new products. That breaking of bond is a chemical change because in such a process composition of substance gets changed and forms a new substance.