Question

When you add water to sulfur dioxide and put a blue litmus paper in it, why does it

turn red?​

Answer 1

Answer:

In an acidic or neutral solution, red litmus paper remains red. In an alkaline solution, red litmus paper turns blue. When an alkaline compound dissolves in water, it produces hydroxide ions, which cause the solution to become alkaline.

Explanation:

Answer 2

Explanation:

• sᴜʟᴘʜᴜʀ ᴅɪᴏxɪᴅᴇ ʀᴇᴀᴄᴛs ᴛᴏ ᴛʜᴇ ᴀᴅᴅɪᴛɪᴏɴ ᴏғ ᴡᴀᴛᴇʀ,ʙᴇᴄᴏᴍɪɴɢ ᴀᴄɪᴅɪᴄ,ᴛʜᴀᴛ ɪs ᴀɴ ᴀᴄɪᴅ sᴏʟᴜᴛɪᴏɴ.ɪᴛ ɪs ᴛʜᴇɴ ᴄᴏʀʀᴇᴄᴛʟʏ ɴᴀᴍᴇs sᴜʟᴘʜᴜʀɪᴄ ᴀᴄɪᴅ.ɪᴛ ᴡɪʟʟ ᴄʜᴀɴɢᴇ ᴛʜᴇ ʙʟᴜᴇ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀ ᴛᴏ ʀᴇᴅ,ʙᴜᴛ ɪғ ᴛʜᴇ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀ ɪs ʀᴇᴅ ᴛᴏ ʙᴇɢɪɴ ᴡɪᴛʜ,ᴛʜᴇ ᴄᴏʟᴏᴜʀ ᴅᴏᴇs ɴᴏᴛ ᴄʜᴀɴɢᴇ.