What happens to turmeric colour in a basic solution?
Answer and explanation
Correct answer: Reddish brown
Turmeric contains a natural colouring substance that acts as an indicator. In an acidic or neutral medium it generally remains yellow, but in a basic medium it changes to a reddish-brown colour. Therefore, the correct answer is A. Blue, green and white are not the characteristic colour change of turmeric in a base.
Frequently asked questions
What is the correct answer to this question?
Reddish brown
Why is this the correct answer?
Turmeric contains a natural colouring substance that acts as an indicator. In an acidic or neutral medium it generally remains yellow, but in a basic medium it changes to a reddish-brown colour. Therefore, the correct answer is A. Blue, green and white are not the characteristic colour change of turmeric in a base.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.