when we put litmus paper in an acid it changed in to, Blue , green, red, black, give an example for week acid, acetic acid, hydrochloric acid, Dsodium hydroxide , distilled water, what is the second name of alkali , alkaline , bases, acid, neutral, what the use for litmus paper, ., -, _, /, I can differentiate between hydrochloric acid and acetic acid by litmus paper, yes, no, example for acidic gases, oxygen , hydrogen, helium, carbondioxide gas, the only basic gases, ammonia, nitrogen , hydrogen, CO², hydrochloric acid, HCL², HCL, H²CL, HC²L, Sulphate , SO³, SO, SO⁴, SO², sulphite, SO³, SO, SO⁴, SO².
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