Buffers and pH in Ecology

Buffers and pH in Ecology

12th Grade

20 Qs

quiz-placeholder

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Buffers and pH in Ecology

Buffers and pH in Ecology

Assessment

Quiz

Biology

12th Grade

Medium

NGSS
HS-LS1-3, HS-LS2-6, HS-ESS2-6

+4

Standards-aligned

Created by

Kerry Dabbs

Used 1+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An acid has a pH

higher than 7

lower than 7

7

greater than 14

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a base has a pH of

lower than 7

higher than 7

7

it only has a pOH

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the more H+ ions the

stronger the acid

weaker the acid

it neutralizes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?

strongly acidic
slightly acidic
strongly basic
slightly basic

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When dissolved in water, acids produce:

bases
salts
hydrogen ions
hydroxide ions

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Buffer is defined as

ability to resist pH change
ability to prevent pH from decreasing
ability to resist a pH increase
ability to resist pH change when small amount of acid added

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What might happen if buffers did not exist within the human body?

Our blood and other bodily fluids might become too acidic or basic for enzymes to function

Our stomach acid would not be able to break down food.

We would not be able to process glucose within our cells.

We would not be able to inhale oxygen into our lungs.

Tags

NGSS.HS-LS1-3

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