A gas is given off at point X in the apparatus illustrated. Which gas changes the damp Universal Indicator paper to red the fastest?
- Aammonia, $\text{NH}_3$
- Bchlorine, $\text{Cl}_2$
- Chydrogen chloride, $\text{HCl}$
- Dsulfur dioxide, $\text{SO}_2$
Chemistry 0620 · IGCSE · The characteristic properties of acids and bases
A gas is given off at point X in the apparatus illustrated. Which gas changes the damp Universal Indicator paper to red the fastest?