A scientist is performing an experiment on a powder. Which of the following is a sign that a chemical change has definitely occu

Question

mihalych1998 [28]

3 years ago

14

A scientist is performing an experiment on a powder. Which of the following is a sign that a chemical change has definitely occu

rred during his experiment? The powder catches on fire.
The powder releases bubbles.

The powder heats up.

The powder breaks apart into smaller particles.

Physics

1 answer:

Kitty [74] · Answer 1 · 2022-03-06T08:29:53+03:00

Kitty [74]3 years ago

8 0

B. is the correct answer :)