The order of bulb brightness (brightest to dimmest) is
- A
Acetic acid > NaCl > sugar
- B
All equal
- Ccheck_circle
NaCl > CH₃COOH > sugar (none)
- D
Sugar > NaCl > acetic acid
Explanation
Strong electrolyte (NaCl) brightest; weak electrolyte (CH₃COOH) dim; nonelectrolyte (sugar) no light.