ICSE-X-Chemistry

03: Acids, Bases and Salts

with Solutions -
Qstn# A-13 Prvs-QstnNext-Qstn
  • #13
    Name an acid used:  (a) to flavor and preserve food,  (b) in a drink,  (c) to remove ink spots,  (d) as an eyewash  (a) to flavor and preserve food,  (b) in a drink,  (c) to remove ink spots,  (d) as an eyewash 
    Ans : 13 (a) SO2 + H2O â†’ H2SO3 (b) P2O5 + 3H2O → 2H3PO4 (c) CO2+ H2O → H2CO3 (d) SO3 + H2O → H2SO4 (a) SO2 + H2O â†’ H2SO3 (b) P2O5 + 3H2O → 2H3PO4 (c) CO2+ H2O → H2CO3 (d) SO3 + H2O → H2SO4
  • #13-a
    to flavor and preserve food, 
    Ans : SO2 + H2O â†’ H2SO3
  • #13-b
    in a drink, 
    Ans : P2O5 + 3H2O → 2H3PO4
  • #13-c
    to remove ink spots, 
    Ans : CO2+ H2O → H2CO3
  • #13-d
    as an eyewash 
    Ans : SO3 + H2O → H2SO4