Which of the following acids attack(s) on copper and silver?

Which of the following attacks glass?

Which of the following attacks glass ?

What is common between the following pairs of substances copper and silver

Which of the following reaction(s) is/are incorrect for silver nitrate?

Which of the following reaction(s) is/are incorrect for silver nitrate?

In which of the following reactions, reaction of silver with the given acids lead to the formation of compound of silver, along with liberation of gas?

In which of the following reactions, reaction of silver with the given acids lead to the formation of compound & silver, along with liberation of gas?