Question

Which observations show that a change in state of matter has occurred? Wood burns, producing gas and an ashy residue. Overnight, dew forms on the grass. An alkali indicator changes color when added to a cleaner. Vinegar has a strong smell

Answer 1

When dew forms, it’s a change in a state of matter from water vapor to liquid. When vinegar evaporates, it also represents a change in state. The reason we can smell vinegar in a bottle is because it’s evaporating.

So the answers are

B: Overnight, dew forms on the grass.

D: Vinegar has a strong smell

Answer 2

Overnight dew forms on the grass and Vinegar has a strong smell are the 2 correct awensers