Question

1. an indicator is a substance that changes color when in contact with an acid or base. otrue ofalse 24) this is neutral and has a ph value of 7.0 oa) orange juice ob) liquid detergent oc) pure water od) soda 25) the lower the ph, the greater the concentration of hydrogen ions, and the more ____ the solution. oa) acidic ob) basic oc) neutral

Explanation:

• For question 23, by definition, an indicator changes color in the presence of an acid or base.
• For question 24, pure water has a pH of 7.0 and is neutral. Orange - juice is acidic, liquid detergent is basic, and soda is acidic.
• For question 25, lower pH means higher hydrogen - ion concentration and more acidic solution.

Answer:

1. True
2. C. pure water
3. A. acidic