Answer:
Your question is not specific enough so, I've given you a list of things that occurs, when a reaction has taken place.
It could be in the form of:
Heat or light given off or a colour change.
Hope this helps!
Keep trying you will get if you keep trying ok
Answer:
A toy car has a 1.5-A current, and its resistance is 2 . How much voltage does the car require?
V
Explanation:
