please? it took me forever to type up!!
1.Acids are substances that
a.form hydronium ions when dissolved in water.
b.turn red litmus paper blue.
c.make foods taste bitter.
d.react with neutral liquids to form bases.
2.A substance with a pH of 13 is
a.neutral
b.strongly acidic.
c. mildly basic
d.strongly basic.
3.The pH of an acid and base mixed together in solution depends on the
a.amounts of acid and base used.
b.concentration of base alone.
c. temperature of the solution.
d.concentration of acid alone.
4.Marinades for meat commonly include acids such as vinegar or wine, because the acids can
a.toughen meat.
b.tenderize meat.
c. preserve meat.
d.react with salt.
5.Soap can remove grease and oil from your skin because it acts as
a.an emulsifier to surround oil.
b.an acid to neutralize dirt.
c. a solvent to dissolve the dirt.
d.a salt to make water harder.
6.Which of the following substances is a base?
a.lactose
b.lemon juice
c. vitamin C
d.bleach
7.What is the pH of a 0.1 M solution of the strong acid HNO3 in water?
a.1
b. 2
c. 3
d. 4
8.The salt potassium chloride, KCl, can be formed by a reaction between
a.KOH and H2O.
b.KI and HCl.
c. KOH and HCl.
d.KI and NH3.
9.Which solution is the most acidic?
a.a solution with a pH = 1
b.a solution with a pH = 6
c. a solution with a pH = 3
d.a solution with a pH = 1
10.Which is the strongest electrolyte?
a.a weak base
b.a strong acid
c. a neutral solution
d.a weak acid