Which of the changes are chemical changes?
a.Sugar is dissolved in water.
b.A warm soda bottle fizzes when opened.
c.The copper roof turns green over time.
d.Baking soda is dissolved in vinegar and bubbles form.
e.A fog appears on the windshield in cold weather.

Question

25-10-2019
Chemistry

contestada

Which of the changes are chemical changes?
a.Sugar is dissolved in water.
b.A warm soda bottle fizzes when opened.
c.The copper roof turns green over time.
d.Baking soda is dissolved in vinegar and bubbles form.
e.A fog appears on the windshield in cold weather.

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walliyulahiajibola walliyulahiajibola · Answer 1 · 2019-10-26T15:15:08+02:00

Answer:

(c),the copper roof turns green over time and (d) baking soda is dissolved in vinegar

Explanation:

the turning of a shiny copper roof to green is a chemical change involving the formation of a new product that is irreversible

the dissolution of baking soda in vinegar is an acid-base reaction involving the formation of carbonic acid and acetate followed by decomposition of carbonic acid to carbon(iv) oxide and water.it is an irreversible reaction invoving the formation of entirely new products.

Which of the changes are chemical changes? a.Sugar is dissolved in water. b.A warm soda bottle fizzes when opened. c.The copper roof turns green over time. d.Baking soda is dissolved in vinegar and bubbles form. e.A fog appears on the windshield in cold weather.

Respuesta :

Otras preguntas

Which of the changes are chemical changes?
a.Sugar is dissolved in water.
b.A warm soda bottle fizzes when opened.
c.The copper roof turns green over time.
d.Baking soda is dissolved in vinegar and bubbles form.
e.A fog appears on the windshield in cold weather.