1. which of the following compounds will dissolve in water to form a basic solution

a) CH4(g)

b) CO2(g)

c) MgO (s)

d)NaCI (as)

2. which of the following compounds will dissolve in water to form an acidic solution?

a) CH4(g)

b) CO2(g)

c) MgO (s)

d)NaCI (as)

3. The pH of acid rain is in which of the following ranges?

a) pH>7

b) pH<7

c) pH>8.9

d)pH<5.6

4. The pH at the endpoint for a weak acid titration with a strong base should be which of the following choices?

a) pH less than seven

b) pH equal to seven

c) pH greater than seven