Shashank takes 10mL of liquids I and II. He observes that liquid I turns blue litmus red and liquid II turns red litmus blue. He also observes that when the two liquids are mixed, the resulting solution becomes warm. He then boils the solution to dryness. Consequently, a substance III is left in the beaker. Using his observations, Shashank can conclude that Liquid I is ___(i) and B is ___(ii) in nature. The substance III obtained in the beaker is a salt. The salt produced in the reaction can be ___(iii) in nature. The information in which alternative completes the given statements?

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