Question

Mark & Sally were in lab and they were working on a chemical reactions experiment. They mixed 2 liquids together and a white sold color appeared. What can Mark & Sally conclude as their observation?

A chemical change
B physical change

Answer 1

A chemical change

Step-by-step explanation:

From the observation, a chemical change has ensued.

A chemical change is one in which new kind of matter is formed. It is always accompanied by energy changes . This process is not easily reversible.

• This process depicted by Mark and Sally is chemical change.
• This reaction is a precipitation reaction since an insoluble solid has been formed.
• In chemical changes the process is not reversible.