Question

1 kg of solid sodium chloride is taken in a clean and dry test tube and 2 ml of concentrated sulphuric acid is added to it if the gas evolved is tested first with dry then higher wet blue Litmus Paper in which case will the Litmus Paper change colour

Answer 1

This solution is acidic so the litmus paper turn red

Answer 2

$\boxed{hey\:mate}$

$\textbf{Answer}$

When it is concentrated with Sulphuric acid, it is added to NaCl, Sodium bisulphate and HCL gas.

This is determined with reactions which takes place at the same time.

It is taking between NaCl and H2SO4 and HCL.

So gas is released on reactions takes place in nature acid turns to blue litmus.

This is because it has been changing with the hydrogen ions.

hope this helps good luck