Question

answer it plsss both the question​

Answer 1

6. NaSO4+BaCl >>> NaCl + BaSO4

7. Plaster of Paris: CaSO4. 0.5 H2O

Answer 2

Ans.6

         Na2SO4+ BaCl2-->2NaCl+ BaSO4

when these two reactants are mixed with each other than a double displacement reaction takes place and a precipitate barium sulphate is formed.

DOUBLE DISPLACEMENT REACTION:- It is a reaction in which the exchange of ions takes place between twom compounds.

Ans. 7

       POP(plaster of paris) is used to join fractured bones.

CaSO4.2H2o---> CaSO4.1/2 H2O

(arrow ke upar tempreature is to be mentioned)