TEAS Exam Multiple Choice with
answers
Which of the following best describes the role of a catalyst in a
reaction? A) A catalyst increases the activation energy required for
a reaction to take place, B) a catalyst increases the rate at which
reactants become products, C) a catalyst shifts the reaction towards
the reactants, D) a catalyst increases the amount of product
produced - ** VERIFIED ANSWERS **✔✔B)
Which of the following describes he effect of increasing the
concentration of the reactants in a reaction? A) the reaction rate
will increase, B) the reaction rate will decrease, C) the change in the
reaction rate will depend on the temperature of the reaction, D) the
change in the reaction rate will depend on the pressure of the
reaction - ** VERIFIED ANSWERS **✔✔A)
Which of the following substances is reduced in the reaction shown
below? Fe2)3 + 3CO - 2Fe + 3CO2 A) Fe, B) O, C) CO, D) CO2 - **
VERIFIED ANSWERS **✔✔A)
Which of the following equations is a balanced equation? A) 2KCLO3
- KCL + 3O2, B) KCLO3 - KCL + 3O2, C) 2KCLO3 - 2KCL + 3O3, D)
6KCLO3 - 6KCL + 3O2 - ** VERIFIED ANSWERS **✔✔C)
Which of the following types of reactions is shown below? Pb (NO3)2
+ K2CrO4 - PbCrO4 + 2KNO3 A) combustion, B) decomposition, C)
double displacement, D) single replacement - ** VERIFIED ANSWERS
**✔✔C)
Which of the following terms describes a solution in which more
solvent can be dissolved? A) unsaturated, B) saturated, C)
supersaturated, D) homogenous - ** VERIFIED ANSWERS **✔✔A)
, In a carbonated soda, carbon dioxide is dissolved in water. Which of
the following terms describes the water in this mixture? A) common
ion, B) solvent, C) solute, D) precipitant - ** VERIFIED ANSWERS
**✔✔B)
Which of the following best describes a substance with a pH of 12?
A) very acidic, B) slightly acidic, C) neutral, D) very basic - **
VERIFIED ANSWERS **✔✔D)
Which of the following acids is a strong acid? A) HCLO, B) HBr, C)
HF, D) HN3 - ** VERIFIED ANSWERS **✔✔B)
Which of the following terms describes the phase change from liquid
to solid? A) evaporation, B) deposition, C) melting, D) freezing - **
VERIFIED ANSWERS **✔✔D)
Which of the following is likely to have the highest number of
molecules? A) 1 liter of gaseous CO2, B) 1 liter of liquid CO2, C) 1
liter of solid CO2, D) 1 liter of a mix of solid and gaseous CO2 - **
VERIFIED ANSWERS **✔✔C)
Which of the following describes a physical change? A) water
becomes ice, B) batter is baked into a cake, C) a firecracker
explodes, D) an acid is neutralized with a base - ** VERIFIED
ANSWERS **✔✔A)
Which of the following elements is most likely to form an ionic
bond? A) argon, B) calcium, C) copper, D) nitrogen - ** VERIFIED
ANSWERS **✔✔B)
Which of the following bonds is the most polar? A) H-C, B) H-O, C) H-
F, D) H-N - ** VERIFIED ANSWERS **✔✔C)
answers
Which of the following best describes the role of a catalyst in a
reaction? A) A catalyst increases the activation energy required for
a reaction to take place, B) a catalyst increases the rate at which
reactants become products, C) a catalyst shifts the reaction towards
the reactants, D) a catalyst increases the amount of product
produced - ** VERIFIED ANSWERS **✔✔B)
Which of the following describes he effect of increasing the
concentration of the reactants in a reaction? A) the reaction rate
will increase, B) the reaction rate will decrease, C) the change in the
reaction rate will depend on the temperature of the reaction, D) the
change in the reaction rate will depend on the pressure of the
reaction - ** VERIFIED ANSWERS **✔✔A)
Which of the following substances is reduced in the reaction shown
below? Fe2)3 + 3CO - 2Fe + 3CO2 A) Fe, B) O, C) CO, D) CO2 - **
VERIFIED ANSWERS **✔✔A)
Which of the following equations is a balanced equation? A) 2KCLO3
- KCL + 3O2, B) KCLO3 - KCL + 3O2, C) 2KCLO3 - 2KCL + 3O3, D)
6KCLO3 - 6KCL + 3O2 - ** VERIFIED ANSWERS **✔✔C)
Which of the following types of reactions is shown below? Pb (NO3)2
+ K2CrO4 - PbCrO4 + 2KNO3 A) combustion, B) decomposition, C)
double displacement, D) single replacement - ** VERIFIED ANSWERS
**✔✔C)
Which of the following terms describes a solution in which more
solvent can be dissolved? A) unsaturated, B) saturated, C)
supersaturated, D) homogenous - ** VERIFIED ANSWERS **✔✔A)
, In a carbonated soda, carbon dioxide is dissolved in water. Which of
the following terms describes the water in this mixture? A) common
ion, B) solvent, C) solute, D) precipitant - ** VERIFIED ANSWERS
**✔✔B)
Which of the following best describes a substance with a pH of 12?
A) very acidic, B) slightly acidic, C) neutral, D) very basic - **
VERIFIED ANSWERS **✔✔D)
Which of the following acids is a strong acid? A) HCLO, B) HBr, C)
HF, D) HN3 - ** VERIFIED ANSWERS **✔✔B)
Which of the following terms describes the phase change from liquid
to solid? A) evaporation, B) deposition, C) melting, D) freezing - **
VERIFIED ANSWERS **✔✔D)
Which of the following is likely to have the highest number of
molecules? A) 1 liter of gaseous CO2, B) 1 liter of liquid CO2, C) 1
liter of solid CO2, D) 1 liter of a mix of solid and gaseous CO2 - **
VERIFIED ANSWERS **✔✔C)
Which of the following describes a physical change? A) water
becomes ice, B) batter is baked into a cake, C) a firecracker
explodes, D) an acid is neutralized with a base - ** VERIFIED
ANSWERS **✔✔A)
Which of the following elements is most likely to form an ionic
bond? A) argon, B) calcium, C) copper, D) nitrogen - ** VERIFIED
ANSWERS **✔✔B)
Which of the following bonds is the most polar? A) H-C, B) H-O, C) H-
F, D) H-N - ** VERIFIED ANSWERS **✔✔C)
