When you blow up a balloon, what is happening to the
balloon?
A. Physical change
B. Chemical change
C. An oxidation reaction

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?