SAT Chemistry Online Practice Test 5: Part A

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Question 23 questions

Time 16 minutes

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1.

The graph that best shows the relationship of gas volume to temperature, with pressure held constant

A.
B.
C.
D.
E.

2.

The graph that best shows the relationship of gas volume to pressure, with temperature held constant

A.
B.
C.
D.
E.

3.

The graph that best shows the relationship of the number of grams of a solid that are soluble in 100 grams of H2O at varying temperatures if the solubility begins at a small quantity and increases at a slow, steady pace as the temperature is increased

A.
B.
C.
D.
E.

4. The simplest unit of water that retains its properties

A. A molecule
B. A mixture of compounds
C. An isotope
D. An isomer
E. An acid salt

5. A commercial cake mix

A. A molecule
B. A mixture of compounds
C. An isotope
D. An isomer
E. An acid salt

6. An atom with the same number of protons as another atom of the same element but a different number of neutrons

A. A molecule
B. A mixture of compounds
C. An isotope
D. An isomer
E. An acid salt

7. Classification of Ca(HCO3)2

A. A molecule
B. A mixture of compounds
C. An isotope
D. An isomer
E. An acid salt

8. The atomic number of an atom with an electron dot arrangement similiar to

A. 1
B. 6
C. 9
D. 10
E. 14

9. The number of atoms represented in the formula Na2CO3

A. 1
B. 6
C. 9
D. 10
E. 14

10. The number that represents the most acid pH

A. 1
B. 6
C. 9
D. 10
E. 14

11. Can be expressed in moles of solute per liter of solution

A. Density
B. Equilibrium constant
C. Molar mass
D. Freezing point
E. Molarity

12. Can be expressed in grams per liter of a gas

A. Density
B. Equilibrium constant
C. Molar mass
D. Freezing point
E. Molarity

13. Will NOT be affected by changes in temperature and pressure

A. Density
B. Equilibrium constant
C. Molar mass
D. Freezing point
E. Molarity

14. At STP, can be used to determine the molecular mass of a pure gas

A. Density
B. Equilibrium constant
C. Molar mass
D. Freezing point
E. Molarity

15. Resists a rapid change of pH

A. Buffer
B. Indicator
C. Arrhenius acid
D. Arrhenius base
E. Neutral condition

16. Exhibits different colors in acidic and basic solutions

A. Buffer
B. Indicator
C. Arrhenius acid
D. Arrhenius base
E. Neutral condition

17. At 25°C, the aqueous solution has a pH < 7.

A. Buffer
B. Indicator
C. Arrhenius acid
D. Arrhenius base
E. Neutral condition

18. At 25°C, the aqueous solution has a pH > 7.

A. Buffer
B. Indicator
C. Arrhenius acid
D. Arrhenius base
E. Neutral condition

19. In the stratosphere, screens out a large fraction of the ultraviolet rays of the sun.

A. H2
B. SO2
C. CO
D. HCl
E. O3

20. Is a product of the incomplete combustion of hydrocarbons.

A. H2
B. SO2
C. CO
D. HCl
E. O3

21. A gas produced by the heating of potassium chlorate

A. H2
B. SO2
C. CO
D. HCl
E. O3

22. A gas that is slightly soluble in water and gives a weakly acid solution

A. H2
B. SO2
C. CO
D. HCl
E. O3

23. Contributes to acid rain.

A. H2
B. SO2
C. CO
D. HCl
E. O3