3. Universal indicator is used to determine the pH of a solution. Which
statement is correct?
A. Universal indicator turns red in
strong alkali.
B. Universal indicator turns blue in
strong acid.
C. Universal indicator turns orange in
weak acid.​

C.Universal indicator turns orange in

weak acid.

Explanation:

option A and B are incorrect coz universal indicator turns red in strong acid and in strong alkali (base) it turns blue

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.