Study the flow chart in Figure 1 and answer the questions that follow.
Gas N forms a while suspension with aqueous calcium hydroxide.
(a) Name the anion present in the potassium salt.
(b) Write an ionic equation for the formation of solid M.
(c) Give one use of gas N.
Answer:
a)- carbonate ions.
b)
#Ba^(2+)(aq)+CO_3^(2-)(aq)rightarrowBaCO_3(s)#
c)
- Used to extinguish fire.
- Used as a refrigenrant