Which of the following is a natural indicator?

China rose

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Blueberry

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Morning glory

No worries! We‘ve got your back. Try BYJU‘S free classes today!

All of above

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D All of above
Natural indicators are obtained from natural sources. All the above examples are natural indicators. A solution of china rose turns green in a basic solution, and bright pink or magenta in an acidic solution. Morning glories contain an anthocyanin called "heavenly blue anthocyanin" which changes from purplish red at $p H 6.6$ to blue at $p H 7.7$ . Blueberries change from blue (around $p H 2.8 - 3.2$ ) to red in a strongly acidic solution.

Suggest Corrections

Similar questions

Vast natural pastures on the high mountains above 12,000 feet are known as which of the following?

20

44400

20

2870

Q1. Consider the following statements:

1. Ozone is a greenhouse gas which is a key component of smog.

2. Ethane and propane escape into the air from leaks during natural gas extraction and distribution.

Which of the above statements are correct?

Q24. Consider the following statements with respect to IRCON

1. It is a private Company working in collaboration with Govt in PPP Projects

2. It is a natural Gas organization which explores new regions for deposits

Which of the above statements are incorrect?

Join BYJU'S Learning Program