Question

question 6 10 pts
in a chemical reaction, a symbol that looks like a triangle above the reaction arrow means:
that the reaction occurs only if the reaction mixture is heated.
that three substances are participating in the reaction.
that the reaction occurs only in the presence of a catalyst
4

Explanation:

In chemical reactions, a triangle symbol above the reaction arrow indicates that heat is required for the reaction to occur. It does not signify the number of substances reacting or the presence of a catalyst.

Answer:

that the reaction occurs only if the reaction mixture is heated.