Talk:Litmus paper
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acids
[change source]in acid blue litmus turns red and in bases red litmus turns blue 2405:201:A001:2125:ED0A:E607:723E:6CA (talk) 14:59, 19 October 2024 (UTC)
in acid blue litmus turns red and in bases red litmus turns blue 2405:201:A001:2125:ED0A:E607:723E:6CA (talk) 14:59, 19 October 2024 (UTC)[reply]