Column A

Column B

1.

a. pH paper

b. Litmus paper

3.

only tells

you acid

or base

can tell

you the

pH

number

turns red

or blue

only

can turn

a variety

of colors

that

represent

different

pH

numbers

a. pH paper can tell you the pH. pH paper only can turn a variety of colors that represent different pH numbers.

B. Litmus paper only tells you acid or base in order to turns red or blue color.

Explanation:

pH paper is a type of paper which is used for the identification of pH of the substance. On pH paper, colors are present which shows pH numbers of a solution while litmus paper is a type of paper which is used for the identification of solution whether it is acidic or basic. There are two colors i. e. Red and Blue. If the litmus paper turns red, the solution is acidic or if the litmus paper turns blue, the solution is alkaline or basic.