Which of these events indicate that a chemical reaction might have occurred? A. Silver jewelry becomes dark because of tarnish B. Water evaporates from salt water and leaves salt behind C. A liquid bubbles when heated D. A solid appears when two water-based solutions are added together. ​

hello

D:

A solid appears when two water-based solutions are added together. ​

Explanation:

silver tarnishes, the shade exchange suggests that a new substance is produced. The precipitate forming from two water-based options indicates that a new substance is produced. two occasions are chemical reactions.

I hope this helps have a great day.

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

newton's first law of motion