Daily MCQs

Which acid is used for the purification of gold and silver?

Please select one of the options to reveal the correct answer.

Similar MCQs

Which group of animals was the first to evolve to fly? Who were the immediate successors of the Mauryas in Magadha? What does ultraviolet radiation from sunlight produce through a reaction? Which among the following is both an endocrine and exocrine gland of the human body? One light year is equal to