TEAS Chemical Reactions Practice Questions

5 free Chemical Reactions practice questions

Pick an answer and check it to see the full step-by-step explanation.

1. Question 1
   In a lab activity related to IV fluid compatibility, the following reaction is observed: $\text{CaCl}_2(aq) + \text{Na}_2\text{CO}_3(aq) \rightarrow \text{CaCO}_3(s) + 2\text{NaCl}(aq)$ What type of chemical reaction is shown?

   precipitation (double replacement)combustiondecompositionsynthesis (combination)

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2. Question 2
   In a simulation of antacid action in the stomach, the following balanced reaction occurs: $\text{Mg(OH)}_2(aq) + 2\text{HCl}(aq) \rightarrow \text{MgCl}_2(aq) + 2\text{H}_2\text{O}(l)$ How should this reaction be classified?

   acid-base neutralizationdecompositioncombustionsingle replacement

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3. Question 3
   What type of chemical reaction is shown? $2\text{H}_2\text{O}_2(aq) \rightarrow 2\text{H}_2\text{O}(l) + \text{O}_2(g)$

   combustiondecompositionsingle replacementsynthesis (combination)

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4. Question 4
   What type of chemical reaction is shown? $2\text{C}_8\text{H}_{18}(l) + 25\text{O}_2(g) \rightarrow 16\text{CO}_2(g) + 18\text{H}_2\text{O}(g)$

   double replacementsingle replacementcombustionsynthesis (combination)

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5. Question 5
   During sterilization, sodium azide in an airbag-like gas generator rapidly forms nitrogen gas: $2\text{NaN}_3(s) \rightarrow 2\text{Na}(s) + 3\text{N}_2(g)$ What type of chemical reaction is shown?

   acid-base neutralizationsynthesis (combination)decompositiondouble replacement

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More Chemistry practice

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