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Question 20

Three examples of physical change are ____.

A)boiling of water, bursting of a balloon, and crumpling a piece of paper

B)burning of gasoline, rotting of an egg, and exploding fireworks

C)freezing of water, evaporation of gasoline, and rusting a nail

D)sawing of wood, crushing a can, and toasting a marshmallow

Respuesta :

A.) Boiling of Water, Bursting of a balloon, and Crumpling a piece of paper

Answer:

Three examples of change in physical structures are A) bursting of a balloon, boiling of water, and crumpling a piece of paper.

Explanation:

Physical changes will be changes influencing the type of a compound substance, however not its synthetic arrangement. Physical changes are utilized to isolate blends into their segment mixes, yet cannot as a rule be utilized to separate mixes into concoction components or less complex mixes.  

Physical changes happen when items or substances experience a change that doesn't change their synthetic synthesis.

As the following activities satisfy the aforesaid criteria they are called physical changes:

  • Boiling of water
  • Bursting of a balloon
  • Crumpling a piece of paper

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