26-10-2020
Chemistry

contestada

1
Which of the following is a chemical reaction?
А
Sodium and chlorine atoms bond to form salt molecules
B.
Ice melts to form water
С
Carbon dioxide freezes to form dry ice
D
Salt and water mix to form salt water

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2023zamanmohammedfai 2023zamanmohammedfai

26-10-2020

Answer:

a because two substances form a new substance

Explanation:

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Аноним Аноним

26-10-2020

Answer:

A is the chemical reaction because we can see rearrangement of the ionic structure of a substance, new bonds are forming up that results in the change in physical and chemical properties

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