Donnarosegarciano123idn
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there is a change in chemical composition in subtances physical change or chemical change​

Sagot :

Strawhatpirateidn

QUESTION

There is a change in chemical composition in subtances physical change or chemical change?

ANSWER: Chemical change

Any factors that change the chemical composition of the materials is an example of chemical change. The physical characteristics of the materials like the colors, smell, and taste was altered. In chemical change, there is new product formed and the change is irreversible.

Some examples of chemical change are:

  • Burning of wood
  • Spoiled milk
  • Rusting of aluminum metal
  • Explosion of dynamite
  • Fermenting vinegar

I hope it helps!

Robespierreidn

QUESTION

There is a change in chemical composition in subtances physical change or chemical change

A significant change in chemical composition of a substance is known as chemical change.

CHEMICAL CHANGE

~ 1 example of chemical change is the burning of wood. Wood is mainly composed of cellulose -- collectively bound together as polymer.

~ When we burn a piece of wood, the cellulose will start to combust via heat energy made possible by oxygen (the oxidizer) and becomes a gas known as carbon dioxide.

This is a perfect epitome of chemical change as it completely changes the composition of the wood and creates a new substance.

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