Suppose you have four test tubes labelled as ‘A’, ‘B’, ‘C’ and ‘D’. ‘A’ contains plain water, ‘B’ contains solution of an alkali, ‘C’ contains solution of an acid, and ‘D’ contains solution of sodium chloride. Which one of these solutions will turn phenolphthalein solution pink?

‘Operation Cactus’ is the name given to Indian Military intervention in

Prof. Vijay Raghavan, an Indian scientist, who has been elected Fellow of Royal Society in…

The UN has recently passed a resolution against human right violation in a South Asian…

A high level committee set up by the Ministry of Housing and Urban Poverty Alleviation…

Suppose, the Naxalites have kidnapped a Deputy Commissioner from Baster region in Chhattisgarh and taken…