Question

MEDAL

Answer 1

Which of the following is an example of a chemical change?
water evaporating from a swimming pool on a hot day
mixing baking soda and vinegar to make lava for a model volcano
an icicle melting and making a puddle on the sidewalk
clumps of salt crystals being broken up to form a powder

Answer 2

which of those end up with chemicals combining to become different chemicals? Don't be tricked by substances changing states (like solid to liquid for example) that's a phase change, not chemical.

Answer 3

The answer would be B. because physical change is one state of matter changing into another. Hope this helps!