1. Common indicators used to test for acids and bases include litmus paper, phenolphthalein, methyl orange, and universal indicator solution. Litmus paper turns red in acidic solutions and blue in basic solutions. Phenolphthalein transitions from colorless to pink in basic solutions. Methyl orange shifRead more

    Common indicators used to test for acids and bases include litmus paper, phenolphthalein, methyl orange, and universal indicator solution. Litmus paper turns red in acidic solutions and blue in basic solutions. Phenolphthalein transitions from colorless to pink in basic solutions. Methyl orange shifts from red in acidic solutions to yellow in basic solutions. Universal indicator solution provides a full range of colors to indicate the pH of a solution, from red (acidic) to purple (neutral) to blue (basic).

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