Position of hydrogen Which element is more reactive out of:
a. oxygen and sulphur?
b. lithium and sodium?
c. Which one is more reactive potassium and calcium?
to dy sulphur and chlorine?
iodic
care

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