While titrating dilute HCI solution with aqueous NaOH,which of the following will not be required

Acid rain is a dilute aqueous solution of which of the following pairs of acids____

In the titration of NaOH and HCI, which of the following indicators will be used ?

Which of the following is absorbed by dilute HCI ?

CH_3COOH is titrated in the NaOH solution which of the following statements is correct for such titration?

Vinegar is dilute aqueous solution of