Question
A student observes that when a solution of nitric acid is mixed with a solution of sodium carbonate in a beaker, bubbles form and the beaker feels warm. Which of the following statements best describes this reaction?
A.
The reaction between an acid and a base forms a precipitate.
B.
Gas formation is evidence of a chemical reaction.
C.
The molecular arrangement of the reactants does not change after the reaction.
D.
The reaction between nitric acid and sodium carbonate is endothermic by nature.
A.
The reaction between an acid and a base forms a precipitate.
B.
Gas formation is evidence of a chemical reaction.
C.
The molecular arrangement of the reactants does not change after the reaction.
D.
The reaction between nitric acid and sodium carbonate is endothermic by nature.
Answers
GPT 3.5
B. Gas formation is evidence of a chemical reaction.