Help w/ Chemistry equations?

1.which equation is balanced?


a. 2NaCl+H2SO4 ---%26gt; HCL+NaSO4


b. NH3+H2O ---%26gt; 2NH4OH


c. KOH+H2SO4 ---%26gt; KHSO4+H2O


d. 2Na+S ---%26gt; 2NaS





2.which group of chemical compounds is composed of entirely organic compounds?


a. C2H4O, CH2O, CaSO4, C3H5(OH)3


b. C6H6, C2H5OH, C6H5CH3, C3H5(NO3)3


c. C2H2, CH4, CaCl2, CaCN2


d. Ch3OCH3, Ca3(PO4)2, CO2, H2CO3





3.In the chemical equation :


Zn+2HCL --%26gt; ZnCl2+H2 the reactants are...


a.zinc chloride %26amp; hydrogen


b.zinc %26amp; hydrogen carbonate


c.zinc chlorate %26amp; water


d.zinc %26amp; hydrochloric acid





4.the valence of aluminum is +3 %26amp; the valence of chlorine is -1 what is the formula for aluminum chloride?


a.Al3Cl


b.AlCl3


c.ClAl3


d.Cl3Al





5.The names of the compounds:


FeS, NaCl, NaOH %26amp; Pb(CN)2 all end in the suffix


a.-ide


b.-ite


c.-ic


d.-ate





6.Which is the balanced form of this equation


CO2+C ---%26gt;CO


a.2CO2+C ---%26gt; CO


b.CO2+C ---%26gt;2CO


c.CO2+C2 ---%26gt;CO


d.CO2+C ---%26gt;C2O





7.Which represents aldehyde


a.C6H10O5


b.C2H4O


c.C2H5OH


d,CH3COOH

Help w/ Chemistry equations?
1 is C


i'm not sure of 2


3 is D


4 is B


5 is A


6 is B


i'm not sure of 7





hope this helped!
Reply:d


a


d


b


a


b


?
Reply:cbdbabb