Free Test Prep CLEP-Science-and-Mathematics Exam Questions

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Total 500 Questions | Updated On: Jun 16, 2026

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Question 1

What would be the minimum angle of incidence so that a ray of light travelling from medium 1 of refractiveindex 1.7 to medium 2 of refractive index 1.5 does not emerge out of medium 2?

A : sin−1(0.88)

B : cos−1(0.88)

C : tan−1(0.88)

D : tan−1(1.13)

E : sin−1(1.13)

Answer: A

Question 2

CLEP-Science-and-Mathematics-page205-image49 Given two solutions ZnSO4(1M) and CuSO4(1M) in an electrochemical cell, as shown above, answerquestion.Given the following standard reduction potentials, what is the standard emf of the electrochemical cell at 25°C?Cu2+ + 2e− → Cu E0 = 0.34 VZn2+ + 2e− → Zn E0 = −0.76 V

A : +1.1 V

B : +0.42 V

C : −0.42 V

D : −l.l V

E : None of the above

Answer: A

Question 3

Which of the following gives all values of p for which |p + 8| ≥ 12?

A : {p|p ≥ 12}

B : {p|4 ≤ p ≤ 20}

C : {p|−12 ≤ p ≤ 12}

D : {p|−20 ≤ p ≤ 4}

E : {p|p ≤ −20 or p ≥ 4}

Answer: A

Question 4

The following data is collected from placing three lizards of different species in separate closed tanks to measure their production of carbon dioxide over the course of 30 minutes.Which of the following conclusions can be accurately drawn from this data?

A : Lizards with smaller bodies consumed less oxygen per gram of body weight than lizards with larger bodies

B : Each species of lizard has a unique rate of respiration.

C : Lizards in warmer climates produce more carbon dioxide than lizards in colder climates.

D : The 24-gram lizard consumes oxygen at a rate double that of the 12-gram lizard.

E : The amount of carbon dioxide produced per gram of body weight for each species is the same.

Answer: A

Question 5

Carlos is ten years older than Jose. Five years ago Carlos was three times as old as Jose. How old is Josenow?

A : 5

B : 10

C : 20

D : 12

Answer: B

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Total 500 Questions | Updated On: Jun 16, 2026

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