Question

3
1
Acids and bases test questions.
which of the following are correct ? <
(A)ph 9 is acid and ph 7 is neutral
(B)PH 4 is and and pH 7 is neutral
(c)PH 6 is acid and pH 8 neutral​

Answer 1

Lets break it down.

1. ph 9 is acid and ph7 is neutral.

ph 9 is actually a base. So this statement is only half correct. ph 7 is obviously neutral.

2. ph 4 is acid and ph7 is neutral.

ph 4 is an acid, and ph7 is a neutral because it is neither acidic nor basic. Hence this statement holds true.

3. ph6 is acid, ph8 is neutral.

ph6 is actually a base. ph 8 is also a base and cannot be considered as a neutral.

HENCE THE CORRECT STATEMENT IS, Option 2) ph 4 is an acid and ph7 is neutral.