Table of Contents
Why is breaking of glass a chemical change?
Breaking of Glass is a Physical Change, since no new substance is formed after the glass breaks, only the size of the glass changes.
Is breaking a bottle a physical change?
A physical change does not produce a new substance, although the starting and ending materials may look very different from each other. Examples of physical changes include crushing a can, melting an ice cube, and breaking a bottle.
Why is shredding paper a physical change?
This is a physical change because the paper is not being changed and the shredding process is reversible. When you shred the paper you can make it into new paper again. The page is only changing its size or appearance.
How could you consider a change is physical?
A physical change is a change to the physical—as opposed to chemical—properties of a substance. They are usually reversible. The physical properties of a substance include such characteristics as shape (volume and size), color, texture, flexibility, density, and mass.
How is Breaking Glass a physical change?
Breaking of glass bottle is an irreversible physical change as it does not changes chemical structure of glass while burning of match stick changes the phosphorus of match stick to another compound by combining with oxygen in air. Thus it is a irreversible chemical change.
Is breaking of a glass a physical change?
Breaking is a physical change because the shards are still glass, but it can’t be easily made whole again. One may also ask, what does breaking of glass indicate? “A glass breaking in your house means good luck is coming your way.
Is glass the result of a physical or chemical change?
The process of making glass involves a chemical change. While a physical change describes change in the superficial properties of a substance– like melting ice into water, or tearing up a piece of paper– a chemical change alters the chemical makeup of the substance itself.
Is glass shattering a physical or chemical change?
Glass breaking is just one example of a physical change. Some other examples are shown in Figure below and in the video below. In each example, matter may look different after the change occurs, but it’s still the same substance with the same chemical properties.