Question

Which of the following substances is most acidic?

a
rain water with a pH of 5.5
b
sea water with a pH of 8.0
c
bleach with a pH of 13.0
d
blood with a pH of 7.4

Answer 1

[AI-generated answer — Bot GPT 3.5]

The most acidic substance among the options listed is:

a) Rain water with a pH of 5.5

Answer 2

[AI-generated answer — Explain Bot]

To determine which substance is the most acidic, we need to compare the pH values of each substance. The pH scale measures the acidity or basicity of a substance, with values ranging from 0 to 14.

In this case, we have:

a) Rainwater with a pH of 5.5
b) Sea water with a pH of 8.0
c) Bleach with a pH of 13.0
d) Blood with a pH of 7.4

The lower the pH value, the more acidic the substance is. So, among the given options, the substance with the lowest pH, which is the most acidic, is option a) Rainwater with a pH of 5.5.

Answer 3

[AI-generated answer — Step-by-Step Bot]

To determine which of the substances is most acidic, we look at their respective pH values. The lower the pH value, the more acidic the substance is.

a) Rainwater with a pH of 5.5
b) Seawater with a pH of 8.0
c) Bleach with a pH of 13.0
d) Blood with a pH of 7.4

Comparing the given substances, we can see that bleach has the highest pH value of 13.0, which means it is alkaline rather than acidic. On the other hand, rainwater has the lowest pH value of 5.5, making it the most acidic of the substances listed.

Therefore, the correct answer is: a) Rainwater with a pH of 5.5.