which of these are chemical changes in matter? check all that apply. mixing lemonade powder in water…
which of these are chemical changes in matter? check all that apply. mixing lemonade powder in water bleaching your hair mowing the lawn lighting a match letting fruit rot
Answer
Brief Explanations:
- Mixing lemonade powder in water is a physical change as it's just a dissolution process without new - substance formation.
- Bleaching hair involves chemical reactions between bleach and hair pigments to change hair color, forming new substances.
- Mowing the lawn is a physical change as it only changes the physical form of grass, not its chemical composition.
- Lighting a match causes a combustion reaction, producing heat, light, and new substances like carbon - dioxide and ash.
- Letting fruit rot is a chemical change as it involves biochemical reactions with microorganisms and oxygen, forming new substances.
Answer:
bleaching your hair, lighting a match, letting fruit rot