What is the action of dry HCl gas on dry litmus paper?
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_____________ is a collection of data values of same types having a common name.
On 5 March 2017, who launched an artificial intelligence – driven chatbot named ‘EVA (Electronic Virtual Assistant)’ for customer services?
Mirages are formed primarily due to ___ of light.
The per capita income in India was '20 in 1867-68, was ascertained for the first time by___________.
Bimbisara was the king of which dynasty?
Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is
Who fought Ahmad Shah Abdali at the third battle of Panipat?