underline (1)Mn(NO_(2))_(2)+underline (1)BeCl_(2)arrow underline (1)Be(NO_(2))_(2)+underline (1)MnCl_(2) 3AgBr+1GaPO_(4)arrow 1Ag_(3)PO_(4)+1GaBr_(3) 3 H_(2)SO_(4)+2B(OH)_(3)arrow 1B_(2)(SO_(4))_(3)+6OH_(2)O 1s_(8)+12O_(2)arrow 8sO_(2) 1Fe+1AgNO_(3)arrow 1Fe(NO_(3))_(2)+2Ag

1. $Mn(NO_{2})_{2}+BeCl_{2}\rightarrow Be(NO_{2})_{2}+MnCl_{2}$<br />2. $3AgBr+GaPO_{4}\rightarrow Ag_{3}PO_{4}+GaBr_{3}$<br />3. $3H_{2}SO_{4}+2B(OH)_{3}\rightarrow B_{2}(SO_{4})_{3}+6H_{2}O$<br />4. $S_{8}+12O_{2}\rightarrow 8SO_{2}$<br />5. $Fe+2AgNO_{3}\rightarrow Fe(NO_{3})_{2}+2Ag$