Smartly Prepare Exam with Free Online CLEP-Science-and-Mathematics Practice Test

We offer the latest CLEP-Science-and-Mathematics practice test designed for free and effective online Biology, Calculus, Chemistry, College Algebra & Mathematics, Precalculus, Natural Sciences certification preparation. It's a simulation of the real CLEP-Science-and-Mathematics exam experience, built to help you understand the structure, complexity, and topics you'll face on exam day.

Question 1

A given mass of gas exerts a pressure of 24 cm of mercury at −20° C. What pressure the gas would exert

at 10° C for an isochoric process?

Options :

A : 25.11 cm

B : 24.44 cm

C : 34.45 cm

D :

12.23 cm

E :

26.88 cm

Answer: A

Question 2

Of the following compounds, which one reacts the most vigorously with water?

Options :

A : HCl

B : Na

C : Zn

D : Fe

E : Li

Answer: B

Question 3

A force of 25 N is acting along the North direction and a force of 12 N is acting along the South direction on

a body of mass 1.5 kg.

What acceleration will the force bring in the body?

Options :

A : 9.87 m/s2

B : 2.36 m/s2

C : 4.67 m/s2

D : 7.67 m/s2

E : 8.67 m/s2

Answer: A

Question 4

Which of the following phenomena is NOT caused by the movement of the plates on the earth’s upper
mantle?

Options :

A : Earthquakes

B : Volcanic activity

C : Production of new crust along with destruction of old crust

D : Erosion

E : Formation of mountains

Answer: D

Question 5

In an aquatic environment, oxygen concentration depends on chemical and physical factors and is greatly

affected by many biological processes. These is much less dissolved oxygen (DO) in aquatic environments

than in dry air. In most aquatic environments, there are only 5 to 10 mL of dissolved oxygen in a liter of

water. Chemical and physical factors, such as salinity, pH, and especially temperature, can affect the DO

concentration and distribution. An experiment was done to study the effect of different salinity levels on DO

in water of varying temperatures. The results are below. Salinity is expressed in parts per thousand (ppt)

and is the content of dissolved salt in water.

CLEP-Science-and-Mathematics-page205-image13

The oxygen that is dissolved in the water is used by aquatic organisms for

Options :

A : photosynthesis

B : cellular respiration

C : digestion

D : dehydration synthesis

E : chemosynthesis

Answer: B