Indicators and Reactions
A student tests four solutions with blue and red litmus paper. Solution A turns blue litmus red, Solution B turns red litmus blue, Solution C shows no change, and Solution D reacts with zinc to produce a gas.
Question: Which solutions are acidic and basic? Explain the gas evolved from Solution D.
FAQ
How does litmus identify acids and bases?
Acids turn blue litmus red, while bases turn red litmus blue.