Question

Помогитеее !!!!!!!!!!!!!!!!!

Answer 1

$1) NH_{4} Cl+NaOH=NaCl + NH_{3} + H_{2} O$

$2) Na_{2} SiO_{3} +H_{2}SO_{4} =H_{2}SiO_{3} +Na_{2}SO_{4}$

$3) Na_{3} PO_{4}+3AgNO_{3} = Ag_{3} PO_{4} +3NaNO_{3}$

$4) BaCl_{2}+H_{2}SO_{4} = BaSO_{4} + 2HCL$