Exam (elaborations)
TEAS Exam Multiple Choice Questions with 100% correct answers verified latest update 2024
TEAS Exam Multiple Choice Questions with 100% correct answers verified latest update 2024
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Which of the following best describes the role of a catalyst in a reaction? A) Acatalyst 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 - -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 - -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 - -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 -
-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 - -C)
Which of the following terms describes a solution in which more solvent can be
✅✅
dissolved? A) unsaturated, B) saturated, C) supersaturated, D) homogenous -
-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 - -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 - -D)
✅✅
Which of the following acids is a strong acid? A) HCLO, B) HBr, C) HF, D) HN3 -
-B)
✅✅
Which of the following terms describes the phase change from liquid to solid? A)
evaporation, B) deposition, C) melting, D) freezing - -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 - -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
- -A)
✅✅
Which of the following elements is most likely to form an ionic bond? A) argon, B)
calcium, C) copper, D) nitrogen - -B)
✅✅
Which of the following bonds is the most polar? A) H-C, B) H-O, C) H-F, D) H-N -
-C)
Which of the following lists the elements carbon, fluorine, oxygen, and nitrogen in
✅✅
order of increasing electro negativity? A) C<N<O<F, B) F<N<O<C, C) F<O<N<C, D)
C<N<F<O - -A)
✅✅
Which of the following elements is an alkali metal? A) sodium, B) oxygen, C) neon,
D) iron - -A)
✅✅
What is the charge of an atom with 5 protons and 7 electron? A) 12, B) -12, C) 2, D)
-2 - -D)
Which of the following subatomic particles are found in the nucleus of an atom? A)
✅✅
protons only, B) electrons only, C) protons and neutrons only, D) protons, electrons,
and neutrons - -C)
Which of the following is the electron configuration for phosphorus? A) 1s2 2s2, 2p6,
✅✅
3s2, 3p3, B) 1s2 2s2 2p6 3s2 3p6, C) 1s2 2p6 3s2 3p3, D) 1s2 2s2 2p2 3s2 3p3 4s2
4p3 - -A)
✅✅
Which of the following polymers is created by joining amino acids? A) DNA, B) lipid,
C) protein, D) carbohydrate - -C)
✅✅
Which of the following nucleotides is not found in DNA? A) adenine, B) uracil, C)
thymine, D) cytosine - -B)
✅✅
Which of the following compounds is not created by joining monosaccharides? A)
glycogen, B) starch, C) cellulose, D) guanine - -D)
The Golgi apparatus is responsible for which of the following tasks? A) protein
✅✅
synthesis, B) intracellular and extracellular transport, storage and replication of DNA,
D) production of ATP - -B)
Which of the following structures is embedded in the cell membrane to facilitate the
✅✅
movement of molecules across the membrane? A) proteins, B) ATP, C) glucose, D)
lipids - -A)
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