Well, that 's to say, every coin has two sides;()technology.A. so isB. so doesC. so has
Well, that 's to say, every coin has two sides;()technology.
A. so is
B. so does
C. so has
相关考题:
可以直接用来求Ag2SO4,的溶度积的电池是() (A)Pt|H2(p)|H2SO4(a)|AgSO4(s)|Ag;(B)AglAgNO3(a)||K2SO4(a)|PbSO4(s),Pb(s);(C)Ag(s),Ag2SO4(s)|K2SO4(a)||HCI(a)|AgCl(s),Ag(s);(D)Ag|AgNO3(a)||H2SO4(a)|Ag2SO4(s),Ag(s)
可以直接用来求Ag2SO4的溶度积的电池是A、Pt|H2(p)|H2SO4(a)|Ag2SO4(s)|AgB、Ag|AgNO3(a)||K2SO4(a)|PbSO4(s),Pb(s)C、Ag(s),Ag2SO4(s)|K2SO4(a)||HCl(a)|AgCl(s),Ag(s)D、Ag|AgNO3(a)||H2SO4(a)|Ag2SO4(s),Ag(s)
9.It was________ bad weather ________ we had to stay at home.A. so; thatB. such a; so .C. s,o a; thatD. such; that
下列哪一个反应的热效应等于硫酸的生成焓?()A.SO3(g) + H2O(l ) = H2SO4(l)B.SO3(g) + H2O(g) = H2SO4(l)C.Na2SO4(s) + 2HCl(l) = H2SO4(l)D.H2(g) +S(s)+2O2(g) = H2SO4(l)
可以直接用来求Ag2SO4的溶度积的电池是A.Pt|H2(p)|H2SO4(a)| Ag2SO4(s)|AgB.Ag|AgNO3(a)||K2SO4(a)|PbSO4(s)|Pb(s)C.Ag(s)|Ag2SO4(s)|K2SO4(a)||HCl(a)|AgCl(s)|Ag(s)D.Ag|AgNO3(a)||H2SO4(a)|Ag2SO4(s)|Ag(s)
15、大苏打与盐酸反应 ()A.有S生成B.有S 、SO2生成C.有SO2生成D.S 、SO2 都不生成