Burbank Spiral 8.5E

Posljednje ažuriranje over 3 years ago

2 questions

Which of these observations is an indication that a chemical reaction has occured?

Steam form above boiling water

A solid forms when a clear liquid is frozen

A solid forms when two clear liquids are mixed

Sugar crystals form on the sides of a boiling pot of sugar water

The temperature on a thermometer rises when mixing vinegar with baking soda

A cake rises as gas bubbles form while baking the cake

SCI.8.5e

SCI.8.5e