an unknown substance turns blue litmus paper to red. which additional test could be used to confirm the…

an unknown substance turns blue litmus paper to red. which additional test could be used to confirm the substances identity?\no it should turn phenolphthalein from colorless to pink because it is a base.\no it should turn phenolphthalein from pink to colorless because it is a base.\no it should turn methyl orange to orange because it is an acid.\no it should turn methyl orange to red because it is an acid.

an unknown substance turns blue litmus paper to red. which additional test could be used to confirm the substances identity?\no it should turn phenolphthalein from colorless to pink because it is a base.\no it should turn phenolphthalein from pink to colorless because it is a base.\no it should turn methyl orange to orange because it is an acid.\no it should turn methyl orange to red because it is an acid.

Answer

Brief Explanations:

Blue litmus turning red indicates an acid. Methyl - orange turns red in acidic solutions. Phenolphthalein turns pink in bases and is colorless in acids.

Answer:

It should turn methyl orange to red because it is an acid.