Double displacement reaction takes place with:
(i) Precipitates are formed.
(ii) Evolution of a gas
(iii) Change in colour.
1
i, ii and iii
2
Only iii and i
3
Only i and ii
4
Only iii
Double displacement reaction takes place with:
(i) Precipitates are formed.
(ii) Evolution of a gas
(iii) Change in colour.