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.
Consider the following statements with respect to the growth forecasts been projected by the World Bank -
I. The World Bank has slashed the growt...
Which historical figure's birthplace is located in Ayodhya, Uttar Pradesh?
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Mohan Juneja passed away recently, he hails from which profession?
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UNNAT JYOTI BY AFFORDABLE LED FOR ALL (UJALA) is the scheme under ministry of___________?
When did the 16th edition of the India-Mongolia Joint Military Exercise NOMADIC ELEPHANT commence?
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