_________ is a powerful oxidising agent.

An acid which is not an oxidising agent is

A colourless solution of AgNO₃ gives which colour precipitate with HCl?

Which of the following gives yellow sulphur when HCl is heated with

In the preparation of HCl acid from HCl gas a funnel arrangement is provided for the absorption of gas requires

HCl gas is dried through

Name the has evolved when Pb₃O₄ heated with concentrated HCl