What are some characteristics of acids and bases?. pH < 7. pH > 7. Change the color of acid-base indicators. Bitter Taste. Sour Taste. Produce H+ ion. Produce OH- ion. Acids. Bases. React with each other to form salt and water. Turns Red Litmus paper BLUE. Turns Blue
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pH < 7
pH > 7
Change the color of acid-base indicators.
React with each other to form salt and water
React with active metals to form H2 gas.
Example: H2S hydrosulfuric acid
Examples H2SO4 sulfuric acid
H2SO3 sulfurous acid
Step 1-- The cation will be hydrogen. Write H first+1 charge.
Step 2-- Identify the anion and its charge (nonmetal or polyatomic)
Step 3 --Balance the charges (Use criss-cross method)
Iron (II) Hydroxide: