![Why does dry HCl gas not change the colour of the dry litmus paper?](https://www.gkseries.com/blog/wp-content/uploads/2021/12/Why-does-dry-HCl-gas-not-change-the-colour-of-the-dry-litmus-paper-1.png)
Q. Why does dry HCl gas not change the colour of the dry litmus paper?
- Blue litmus becomes dry in presence of dry HCl gas
- No H O ions will be present, litmus changes colour only in the presence of H O ions
- HCl gas acts asa dehydrating agent
- None of the above
Answer: B