Question

Select the incorrect option

Indicator Colour in acidic medium colour in basic medium

(a) Litmus Red Blue

(b) Hydrangea flower Red Green

(c) Red cabbage juice Red or Pink Green

(d) Turmeric juice Yellow Reddish brown​

Answer 1

Option d is incorrect.(Hope it helps

Answer 2

(b) Hydrangea flower Red Green is the incorrect option.

• The correct colour indicated by Hydrangea flowers in acidic and basic medium respectively is blue and red or pink. These flowers are used as indicators for soil's pH.
• Acid is defined as substance that can donate hydrogen ions or proton.
• On the other hand, base is defined as substance that can accept protons or hydrogen ions.