Question

Difference between the blue litmus and red litmus​

Answer 1

take some lemon juice in a petridish and drip a strip of blue Litmus Paper in it the colour of the Litmus Paper charge to red red due to the presence of an acid in the lemon juice.

take some soap solution in a petridish and dip a strip of red litmus paper in it the colour of Litmus charges to Blue this happens due to the presence of a base in the soap solution

Answer 2

Answer:

ʀᴇᴅ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀ:

ʀᴇᴅ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀs ᴀʀᴇ ᴄᴏʟᴏʀᴇᴅ ʀᴇᴅ.

ᴛʜᴇ ʀᴇᴅ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀ ʙᴇᴄᴏᴍᴇs ʙʟᴜᴇ ᴡʜᴇɴ ᴄᴏɴᴛᴀᴄᴛɪɴɢ ᴡɪᴛʜ ᴛʜᴇ ʙᴀsɪᴄ ᴏʀ ᴀʟᴋᴀʟɪɴᴇ sᴀᴍᴘʟᴇ,

ɪᴛ ɪs ᴜsᴇᴅ ᴏɴʟʏ ᴛᴏ ᴛᴇsᴛ ғᴏʀ ʙᴀsɪᴄ ᴘʜ ʟᴇᴠᴇʟ.

ʙʟᴜᴇ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀ:

ʙʟᴜᴇ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀs ᴀʀᴇ ᴄᴏʟᴏʀᴇᴅ ʙʟᴜᴇ.

ᴛʜᴇ ʙʟᴜᴇ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀ ʙᴇᴄᴏᴍᴇs ʀᴇᴅ ᴡʜᴇɴ ᴄᴏɴᴛᴀᴄᴛɪɴɢ ᴡɪᴛʜ ᴛʜᴇ ᴀᴄɪᴅɪᴄ sᴀᴍᴘʟᴇ, ʙᴜᴛ, ɪғ ᴀ sᴜʙsᴛᴀɴᴄᴇ ᴛʜᴀᴛ ɪs ʙᴀsɪᴄ ᴏʀ ɴᴇᴜᴛʀᴀʟ, ᴛʜᴇɴ ɪᴛ ᴡɪʟʟ ʀᴇᴍᴀɪɴ ʙʟᴜᴇ.

ɪᴛ ɪs ᴜsᴇᴅ ᴏɴʟʏ ᴛᴏ ᴛᴇsᴛ ғᴏʀ ᴀᴄɪᴅɪᴄ ᴘʜ ʟᴇᴠᴇʟ.