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ICSE Class 10 Answered

Question is that a dry litmus paper is not affected by hydrogen chloride gas or HCL acid? Give reason. Can u answer this question 
Asked by hema_veeraaj | 22 Jan, 2019, 07:32: PM
answered-by-expert Expert Answer
Dry hydrogen chloride is not acidic whereas moist Hydrogen chloride is acidic. In presence of a drop of water, HCl gas dissolves in water and forms hydrochloric acid which turns blue litmus paper red.
Answered by Ramandeep | 23 Jan, 2019, 10:02: AM

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