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

In which year was the Lee Commission set up by the British government? What are doing ___ coming Sunday? A number is 40 more than 20% of itself. What is the number? Who was the first ruler of the Satavahana dynasty? Who is the co-founder of Twitter?