15. Chill and his friends were busy doing their assigned chores. Chill was curious about which of their tasks had shown a chemical reaction. Can you help her?
A. Chill has sliced the homemade pancake equally.
B. Rayne has observed a rust on the old pan.
C. Euri has gathered some firewood. Nico has folded the table napkin.
D. Nick has folded the table napkin
Answers & Comments
Answer:
C. Euri has gathered some firewood.
Explanation:
chemical change are a change in color and the formation of bubbles.
The five conditions of chemical change
Answer:
B
Explanation:
Rust is a chemical