Which is evidence that a chemical Reagan occurred?

AA phase change occurs
BA new gas is observed in the form of bubbles
CRed and yellow paint mixing to make orange
DThe temperature of the substance remains constant updates

Verified Answer :

Answer:

a new gas is observed in the form of bubbles

Explanation:

The only statement that was evidence of a chemical reaction is a new gas is observed in the form of bubbles Any time a new substance is created, a chemical reaction has taken place.

Answer:

B) A new gas is observed in the form of bubbles.

Explanation:

Please trust me! Also take a break and drink water you've earned it <3