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Vitek1552 [10]
3 years ago
5

Do you agree or disagree for each one of them and provide evidence why??​

Chemistry
1 answer:
sergiy2304 [10]3 years ago
6 0

Answer:

Disagree

Agree

Agree

Disagree

Explanation:

A chemical change is one in which a new kind of substance is formed. It is always accompanied by energy changes.

  • It is wrong to assert that all chemical changes are dangerous. In our body system, chemical changes are constantly happening.
  • Chemical changes shows the law of conservation of mass in that the amount of reactants and products are always the same.
  • Chemical reactions occur when two substances are chemically combined together.
  • Not all dissolution reaction are chemical changes. For example, when sugar dissolves in water, it is not a chemical change.
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