Basic chemistry please help!?

Posted on 2016-03-03 18:55:00 in Chemistry by NOAH

(1)NaHCO3+ HCl 
(2)HCl +Blue Dye 
(3)Blue Dye +NaOCl +HCl 
(4)NaOCl+KI+Starch 
(5)KI+Pb(NO3)2 
(6)Pb(NO3)2+CaCl2 
(7)CaCl2+NaHSO4 
(8)NaHSO4+Na2CO3 
(9)Na2CO3+Pheno. 
(10)Pheno.+NaOH 
(11)NaOH+AgNO3 
(12)AgNO3+NH4OH 
(13)NH4OH+CuSO4 
(14)CuSO4+NaHCO3 

A. this list contains eight double-displacement reactions. Write a balanced chemical equation for five of those reactions. 

B.Which reactions produced a precipitate? 

Please please help, thank you so much in advance.

---

Answer Comment

No Answers Posted Yet.