Question

what are indicators ​

Answer 1

Answer:

indicaters are used for indicate

Answer 2

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ɪɴᴅɪᴄᴀᴛᴏʀs ᴀʀᴇ ᴄʜᴇᴍɪᴄᴀʟ ᴄᴏᴍᴘᴏᴜɴᴅs ᴛʜᴀᴛ ᴛᴇʟʟ ᴜs ᴡʜᴇᴛʜᴇʀ ᴀ sᴜʙsᴛᴀɴᴄᴇ ɪs ᴀᴄɪᴅɪᴄ ᴏʀ ʙᴀsɪᴄ ʙʏ ᴄʜᴀɴɢɪɴɢ ɪᴛs ᴄᴏʟᴏᴜʀ. ... ᴛʜᴇ ɪɴᴅɪᴄᴀᴛᴏʀ ᴛʜᴜs ʜᴇʟᴘ ᴜs ᴛᴏ ᴅᴇᴄɪᴅᴇ ᴡʜᴇᴛʜᴇʀ ᴀ ɢɪᴠᴇɴ sᴏʟᴜᴛɪᴏɴ ɪs ᴀᴄɪᴅɪᴄ ᴏʀ ʙᴀsɪᴄ ɪɴ ɴᴀᴛᴜʀᴇ. ᴛʜᴇ ɪɴᴅɪᴄᴀᴛᴏʀs ᴛʜᴀᴛ ᴀʀᴇ ᴏʙᴛᴀɪɴᴇᴅ ғʀᴏᴍ ᴘʟᴀɴᴛs ᴀʀᴇ ᴋɴᴏᴡɴ ᴀs ɴᴀᴛᴜʀᴀʟ ɪɴᴅɪᴄᴀᴛᴏʀs.