Multiple Choice
Hard water, which contains Mg2+ and Ca 2+ ions, tends to form a ring in a bathtub due to its reaction with the soluble anions in soap.The formation of this insoluble material is an example of
A) an acid-base reaction.
B) a precipitation reaction.
C) a redox reaction.
D) a combustion reaction.
E) a decomposition reaction.
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Molarity, M, is defined as _<br>A)moles of
Q18: In the dilution of 10.0 mL of
Q125: A 500 mg dietary supplement of L-lysine
Q126: A perchloric acid solution is titrated using
Q127: A 25.00 mL standard adult dose of
Q128: How many grams of sucrose (C<sub>12</sub>H<sub>22</sub>O<sub>11</sub>, 342.30
Q130: How many grams of sodium chloride (NaCl,
Q131: What are the products in the
Q133: Write the balanced molecular equation and the
Q134: A homogeneous mixture containing sodium, potassium, calcium,