Question

Why does dry HCl gas not change the colour of the dry litmus paper?

Answer 1

because at that time it is not acidic

Answer 2

*:..｡o○☆ HEYA MATE !☆○o｡..:*

ANSWER :

─━━━━━━⊱✿⊰━━━━━━─

HCl is acidic only when it is dry or moist. Only during that condition, it can change the color of blue litmus into red .

Dry HCl is not acidic .

So it cannot change the color of blue litmus .

─━━━━━━⊱✿⊰━━━━━━─

∝╬══→HOPE U LIKE IT !!♡