Sugandha prepares HCl gas in her school laboratory using certain chemicals. She puts both dry and wet blue litmus papers in contact with the gas. Name the reagents used by Sugandha to prepare HCl gas. –Muskan Gurjar

Solid Sodium Chloride & Conc sulphuric acid.

Chlorine from Sodium Chloride & Hydrogen from Sulphuric acid, makes HCL.


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