Answer to Question #58304 in General Chemistry for Noah

Question #58304

(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.
Update: Phenolphthalein has been abbreviated "Pheno.

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