Question

A student adds a few drops of universal indicator to a dilute solution of sodium bicarbonate taken in a test tube, which of the following colour would be observed?

(A) blue
(B) green
(C) orange
(D) yellow

Answer 1

c is the correct answer

Answer 2

● Answer -
Adding universal indicator to a dilute solution of sodium bicarbonate will give blue colour.


● Explaination -
- Universal indicator is a solution of many indicators which shows different colour changes for solutions with different pH values.
- It shows various colours according to pH of solution, from red (strongly acidic) to violet (strongly alkaline)
- As sodium bicarbonate is basic in nature, it will show blue color with universal indicator.



Hope this helps you...