Question

classify the following changes into physical change and chemical change making of grape wine​

Answer 1

Explanation:

Physical change of a substance involves the process how the substance changes its characteristic feature. For example, liquid phase of water convert to solid ice upon cooling. Further, by heating the solid ice we get back the liquid water. Thus, the conversion of solid to liquid or liquid to solid of a same substance termed as physical change.

During the chemical reaction, the arrangement of chemical bonds will be changed and hence new materials or molecules will be formed.

a. Grape juice turns to wine is a chemical change. As the chemical properties of wine and juice are different the conversion of grape juice to wine is a chemical change.