Question
Which of the following indicator produces a pink colour
in an alkaline solution?Solution
Phenolphthalein turns pink when exposed to substances above a pH of 8.2. This colour change is a result of ionization, which alters the shape and charge of phenolphthalein molecules. This causes it to block the blue light spectrum when exposed to alkaline substances, producing a pink to purple hue.
As per Global Financial Centres Index ( GFCI ) 2023 , which are the top 5 countries?
The book ‘Bapu-the Unforgettable’ is launched by the Deputy CM of which state?
In which of the following Olympics did the Indian football team finish fourth?
The National Botanical Research Institute is situated in which city?
The Panjnad is the name given to the five rivers of Punjab, namely the Satluj, the Beas, the Ravi, the Chenab and the Jhelum. It finally discharges into...
Girish Chandra Murmu is the 14th Comptroller and Auditor General of India and the external auditor of the Inter-Parliamentary Union. He is also the chai...
Stock Holding Corporation of India Limited a non governmental company comes under the purview and control of which organization?
Which one of the following was not provided in the Regulating Act of 1773?
Which animal is represented by the mascot "Moga" for the 37th edition of the Indian National Games 2023?
Who can appoint the Chief Election Commissioner of India?