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2. Acids, Bases and Salts
easy
શા માટે શુષ્ક $HCl$ વાયુ શુષ્ક લિટમસપેપરનો રંગ બદલતો નથી ?
Option A
Option B
Option C
Option D
Solution
Colour of the litmus paper is changed by the hydrogen ions. Dry $HCl$ gas does not contain $H ^{+}$ ions. It is only in the aqueous solution that an acid dissociates to give ions.
since in this case, neither $HCl$ is in the aqueous form nor the litmus paper is wet, therefore, the colour of the litmus paper does not change.
Standard 10
Science
