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garri49 [273]
4 years ago
10

1.An acid is best defined as:

Biology
1 answer:
jeka944 years ago
5 0
1.An acid is best defined as: <span>a. a substance with a pH between 0 and 7.
</span>2.A base is best defined as: <span>b. a substance with a pH between 7 an 14.
</span>3.A substance that tastes sour and dissociates in water would best be characterized as a(n): <span>a. acid
</span>4.Angela is working with a substance that is commonly found in detergents. This substance has a pH of 8.1. Angela is working with a(n): <span>b. base
</span>5._________ is a solution that resists changes in pH by accepting H+ ions or donating H+ ions when the levels change: <span>d. A buffer
</span>6.Farmers do not need to know the impact of pH levels in order to be effective: <span>False
</span>7.Most rain water is between the pH of _______: <span>a. 6 and 7
</span>8.Human blood has a pH of: <span>c. 7.4
</span>9.Ellen is jogging. As her body's metabolism becomes more active, carbon dioxide levels increase, resulting in a decrease in pH. Fortunately, her ___________ in the blood protect against large changes in pH: <span>c. buffers
</span>10.Ellen is jogging. As her body's metabolism becomes more active, how will her body protect itself initially against acidosis?: <span>b. Ellen's body will regulate pH by using buffers.</span>
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