Correct option is A
The correct answer is (a) Yellow to red.
· A basic solution changes the color of turmeric indicator from yellow to red. Turmeric is a natural indicator that remains yellow in acidic or neutral solutions but turns red in basic or alkaline solutions.
Information Booster:
· Turmeric is commonly used in household experiments to test for the presence of a base (such as soap or baking soda).
· Other indicators, such as litmus paper, behave differently: a basic solution would turn red litmus paper blue.
· Indicator | Color in Acid (pH < 7) | Color at pH = 7 | Color in Base (pH > 7) |
Red cabbage water | Red, Pink | Purple | Blue, Green, Yellow |
Red onion water | Red | Violet | Green |
Turmeric water | Yellow | Yellow | Red |
Phenolphthalein | Colorless | Colorless | Pink, Red |
Bromothymol blue | Yellow | Green | Blue |
Red litmus | Red | Red | Blue |
Blue litmus | Red | Blue | Blue |
Universal indicator | Red, Orange, Yellow | Green | Blue, Violet, Purple |
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