What statement is TRUE?

a
NH3 and NaOH are both weak bases.

b
NH3 is a strong base and NaOH is a weak base.

c
NH3 is a weak base and NaOH is a strong base.

d
NH3 and NaOH are both strong bases.

The statement that is TRUE is:

c) NH3 is a weak base and NaOH is a strong base.