1. Tardigrade
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  3. Chemistry
  4. A salt on treatment with dil. HCl gives a pungent smelling gas and a yellow precipitate. The salt gives green flame test and a yellow precipitate with potassium chromate the salt is

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Q. A salt on treatment with dil. $ HCl $ gives a pungent smelling gas and a yellow precipitate. The salt gives green flame test and a yellow precipitate with potassium chromate the salt is

Uttarkhand PMTUttarkhand PMT 2008

Solution:

$BaS _{2} O _{3}$ gives out $SO _{3}$ gas along the with colloidal sulphur on reaction with dil. $H _{2} SO _{4} . Ba ^{2+}$ gives green flame and forms yellow ppt. with potassium chromate.