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Chemistry
Which of these are examples of chemical changes? Check all that apply. burning a candle boiling alcohol frying an egg melting an ice cube making coffee
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Best Answer

Answer : The correct options are, frying an egg and burning candle.

Explanation :

Physical change : It is a change in which no new compounds are formed only changes occurs in size or state of substance. In this, there is no changes in the substance or compound.

Chemical change : It is a change in which a new compounds are formed by the chemical reaction. Changes occurs in their chemical composition and properties.

  • Frying an egg : It is a chemical change because a new substance is form by heating.
  • Burning a candle : It is chemical change because new substances are formed (carbon dioxide, water and heat) by burning.
  • Boiling alcohol : It is physical change because only changes in the state.
  • Melting and ice : It is a physical change because only changes in the state.
  • Making coffee : It is a physical change because no new substance is formed.

Therefore, frying an egg and burning candle are the example of chemical change.

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