12/6/2023 0 Comments Some examples of physical changes![]() This chemical group can be removed through a process called demethylation. Typically, this group is added to specific places on the DNA, where it blocks the proteins that attach to DNA to “read” the gene. These changes can be further categorized as reversible and irreversible changes, depending upon their tendency to reform the initial substance.DNA methylation works by adding a chemical group to DNA. In contrast, it is called a chemical change when the matter is subjected to changing its properties like a chemical formula, pH, etc., that completely transforms the substance into a new one. Whenever a matter changes its state, such a type of change is termed physical change. This can undergo changes that can either be a physical change or can be a chemical change. The matter is composed of physical and chemical properties. The term matter is vast and can denote even tiny minute particles present in our surroundings. A few of them are:Įverything around us is composed of matter. Some of the physical changes are irreversible. Mixing fruits and vegetables to make a salad.Ĭhanges/deformation of a substance that cannot be reformed is known as irreversible change. ![]() Shaking up a bottle of ketchup before using.
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