(i)What is vinegar ? State its one use.
(ii)Which gas is produced when dilute ethanoic acid is added to sodium bicarbonate ? How will you test the presence of this gas ?
(i) 5—8% solution of acetic acid in water is called vinegar.
Use : Preservatives in pickles / in food items.
(ii) Carbon dioxide gas / C${{O}_{2}}$
Test : Turns lime water into milky extinguishes fire.