When concentrated h2so4 is added to solid nacl and heated, hcl gas is evolved, but when it is added to solid nabr and heated, no hbr gas is produced. Why?
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H2SO4 is added to solid sodium chloride taken in a test tube. ... When concentrated sulphuric acid is added to NaCl, then sodium bisulphate and HCl gas is formed. Another reaction also takes place simultaneously, that between NaCl and H2SO4 forming sodium sulphate and HCl.
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