Dry hydrogen gas does not change the colour of dry litmus paper. Why ?

1.	Dry hydrogen gas does not change the colour of dry litmus paper. Why ?
Answer» Hiii , what\'s your name Hello pranali Hello Hi Dry HCL it does not dissociate to give H+ ions. Acids dissociate to give ions only in the aqueous solution. In this, HCL is not in the aqueous form nor the litmus paper is wet, so the colour of the litmus paper does not change.

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