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What liquid is considered to be a universal solvent?

  1. Alcohol

  2. Water

  3. Oil

  4. Acid

The correct answer is: Water

Water is considered to be a universal solvent because it has the ability to dissolve a wide variety of substances. While alcohol, oil, and acid may have some solubility, they are not as effective as water in dissolving a wide range of substances. Alcohol and oil have a limited ability to dissolve polar and nonpolar substances respectively, while acid has the tendency to react with and change the chemical properties of certain substances. Therefore, water is the most appropriate and commonly used solvent for dissolving a wide variety of molecules, making it the best option for a universal solvent.