HARD
10th CBSE
IMPORTANT
Earn 100

A piece of white cloth has a yellow stain of curry. When soap is applied on this cloth during washing, the yellow stain turns reddish-brown. On rinsing the cloth with excess of water, the reddish-brown stain again turns yellow.
(a) Name the indicator that may be present in the curry stain.
(b) Explain the changes in colour observed.
(c) Is the soap acidic or basic?
Important Questions on Acids, Bases and Salts
EASY
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT

HARD
10th CBSE
IMPORTANT

HARD
10th CBSE
IMPORTANT

HARD
10th CBSE
IMPORTANT

HARD
10th CBSE
IMPORTANT

HARD
10th CBSE
IMPORTANT

HARD
10th CBSE
IMPORTANT
