Chemistry, 05.10.2019 19:00, hijdjdjdbdjidjdbdbd

Asubstance is tested with litmus paper. the blue litmus paper remains blue while the red litmus paper remains red. what can you conclude about the substance?

the substance is a base.
the substance is neutral; it is neither an acid nor a base.
the substance could be either an acid or a base.
none of the above; it is impossible for both red and blue litmus paper to remain unchanged.

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Asubstance is tested with litmus paper. the blue litmus paper remains blue while the red litmus pape...