A mixture when rubbed with oxalic acid smells like vinegar. It contain

1.	A mixture when rubbed with oxalic acid smells like vinegar. It contains salt of :
Answer» <html><body><p>sulphate<br/>nitrate<br/>nitrite<br/>acetate</p>Solution :Oxalic acid reacts with acetate salt (e.g. <a href="https://interviewquestions.tuteehub.com/tag/sodium-1215510" style="font-weight:bold;" target="_blank" title="Click to know more about SODIUM">SODIUM</a> acetate) to form <a href="https://interviewquestions.tuteehub.com/tag/acetic-1967065" style="font-weight:bold;" target="_blank" title="Click to know more about ACETIC">ACETIC</a> acid which has vinegar smell. <br/> `{:(2CH_(3)<a href="https://interviewquestions.tuteehub.com/tag/coona-2017612" style="font-weight:bold;" target="_blank" title="Click to know more about COONA">COONA</a>,+,(<a href="https://interviewquestions.tuteehub.com/tag/cooh-409857" style="font-weight:bold;" target="_blank" title="Click to know more about COOH">COOH</a>)_(2),),("Sod. acetate",,"oxalic aicd",),(,,darr,),(2CH_(3)COOH,+,(COONa)_(2),),("Acetic acid.",,"Sod. <a href="https://interviewquestions.tuteehub.com/tag/oxalate-1144431" style="font-weight:bold;" target="_blank" title="Click to know more about OXALATE">OXALATE</a>",),(("vinegar smell"),,,):}`</body></html>

A mixture when rubbed with oxalic acid smells like vinegar. It contains salt of :