Which factor is a characteristic of an acid?

a: non-corrosive

b: soapy

c: sour

d: slippery

which factor is a characteristic of a base?

a: soapy

b: sour

c: non-corrosive

d: slippery

an unknown substance has a ph of 4.0.

which kind of substance is it?

a: neutral

b: buffer

c: acid

d: base

which example is a base?

a: hydrogen

b: co

c: soap

d: hci

which statement is the difference in acidic power between ph 3 and ph 2?

a: ph 2 is 10 times more basic than ph 3

b: ph 3 is twice as basic as ph 2

c: ph 2 is 10 times more acidic than ph 3

d: ph 2 is twice as basic as ph 3