Question

acids & bases
think about the ph scale. the numbers listed below
are the ph of each substance.
which of the following are considered bases?
(select all that apply.)
pure water - 7.0
lemon juice - 2.5
ammonia - 11.6
eggs - 7.8
vinegar - 4.0
soft drink - 2.9
baking soda solution - 8.5
tomato juice - 5.1
ketchup - 3.8
unknown solution - 1.3

Explanation:

On the pH scale, substances with a pH greater than 7 are considered bases. Pure water has a pH of 7 (neutral). Lemon juice (2.5), vinegar (4.0), soft drink (2.9), tomato juice (5.1), ketchup (3.8), and unknown solution (1.3) have pH values less than 7 (acidic). Ammonia (11.6), eggs (7.8), and baking soda solution (8.5) have pH values greater than 7.

Answer:

Ammonia - 11.6, Eggs - 7.8, Baking soda solution - 8.5