खोजें
indicator paper
/ˈɪndᵻkˌeɪɾɚ pˈeɪpɚ/
/ˈɪndɪkˌeɪtə pˈeɪpə/
Indicator paper
01
सूचक पेपर, लिटमस पेपर
a special paper treated with chemicals that change color in response to certain conditions, used to test for the presence of specific substances or measure pH levels
