a)the corrosive action of acid rain on granite
b)the odor of spearmint gum
c)the combustion of gasoline
d)the tarnishing of a copper statue
e)none of the above
Which of the folowing items is a physical property?
b)the odor of spearmint gum
Reply:The odor of the gum. All of the rest of the possible answers are types of chemical reactions.
Reply:B.
With A, there is a chemical reaction that takes place between acid and granite that produces another product - corrosion.
With C, combustion causes a chemical reaction between fuels (carbon, hydrogen, sulfur, coal, oil, gas) and oxygen that results in water, carbon dioxide and heat.
With D, there is a chemical reaction between copper and oxygen that causes the tarnish (green color)
Reply:b
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