Color change, release of gas, light, odor change, chemicals burning, change in state, explosion, new substance formation
What Are Three Signs That A Chemical Change Has Taken Place?
Color change, release of gas, light, odor change, chemicals burning, change in state, explosion, new substance formation
Colour change, explosion,change in weight/mass, change in odour, change in concentration, change in intensity, noise, bubbles, product being produced, crystallisation
Physical change, chemical change,heat change
It has two, physical changes and energy changes