Home Quiz Acid-Base Indicators: Color Change!
Preview (10 questions)
1 Question
30 seconds
Q.

Thymol blue changes its color from red to _______ in base form.

Brown

Yellow

Violet
2 Question
30 seconds
Q.

Litmus is an indicator that turns ______ in an acid solution.

Red

Green

Blue
3 Question
30 seconds
Q.

Methyl orange shows _______ color in basic medium. 

Orange

Rose

Yellow
4 Question
30 seconds
Q.

Alizarin turns into _______ in the pH range of 10.1.

Colorless

Yellow

Black
5 Question
30 seconds
Q.

Turmeric turns ____ when it comes in contact with a basic solution.

White

Lilac

Red
6 Question
30 seconds
Q.

Phenolphthalein does not change color in an acidic solution.

True

False
7 Question
30 seconds
Q.

Blue litmus turns _______ in an acidic solution.

Yellow

Red

Green
8 Question
30 seconds
Q.

Azolitmin changes its color from red to _______ in base form.

Blue

Olive

Maroon
9 Question
30 seconds
Q.

Rosolic acid turns ______ in its base form.

Silver

Purple

Red
10 Question
30 seconds
Q.

Phenolphthalein is a colorless solution, that turns ______ in its basic form.

Navy blue

Pink

Cyan