If a precipitate forms, how do you know what compound it is?
HPP

Different isotopes indicate that an element will have different numbers of

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Which metals are called noble metals