186k views
4 votes
Which of the following is an indicator that a chemical reaction occurred?

A precipitate is formed
The state of matter changed
It was melted
The identity of the substance did not change​

User Chiapa
by
3.0k points

2 Answers

2 votes

Answer:

the state of matter changed

Step-by-step explanation:

User Chester Husk
by
3.5k points
5 votes

Answer:

A) A precipitate is formed

Step-by-step explanation:

occurs in aqueous solution when two ions bond together to form an insoluble salt, which is known as the precipitate.

User Mugabo
by
3.4k points