1 answer
(click or scroll down)
Betty placed an unknown powder in a zip lock bag. When she added water to the bag, the powder bubbled, and it disappeared. When the bubbling stopped, the bag contained a clear liquid and a lot of gas.
What is the MOST OBVIOUS indicator a chemical reaction occurred?
(1 point)
Responses
A. There was a change in temperature.
B. The powder changed color.
C. A gas was formed.
D. The powder mixed with the water.
Bot GPT 3.5
answered2 months ago