摘要:D 7.D 8.D 9.C 10.A 11.D 12.C 13.B
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下列物质:(1)Na(2)Br2 (3)Na2O (4)NO2 (5)CO2(6)SO3(7)NH3 (8)H2S(9)HCl (10)H2SO4 (11)Ba(OH)2(12)NaCl(13)蔗糖 (14)NaCl溶液,其中属于电解质的是( )
A.(1)(3)(6)(8)(9)(11) B.(2)(3)(6)(10)(11)(13)
C.(3)(8)(9)(10)(11)(12)D.(4)(5)(7)(10)(11)(14)
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下列物质:(1)Na(2)Br2(3)Na2O (4)NO2 (5)CO2(6)SO3(7)NH3 (8)H2S(9)HCl (10)H2SO4(11)Ba(OH)2(12)NaCl(13)蔗糖(14)NaCl溶液,其中属于电解质的是( )
| A.(1)(3)(6)(8)(9)(11) | B.(2)(3)(6)(10)(11)(13) |
| C.(3)(8)(9)(10)(11)(12) | D.(4)(5)(7)(10)(11)(14) |
下列物质:(1)Na(2)Br2(3)Na2O (4)NO2 (5)CO2(6)SO3(7)NH3 (8)H2S(9)HCl (10)H2SO4(11)Ba(OH)2(12)NaCl(13)蔗糖(14)NaCl溶液,其中属于电解质的是
- A.(1)(3)(6)(8)(9)(11)
- B.(2)(3)(6)(10)(11)(13)
- C.(3)(8)(9)(10)(11)(12)
- D.(4)(5)(7)(10)(11)(14)
下列物质:(1)Na(2)Br2(3)Na2O (4)NO2 (5)CO2(6)SO3(7)NH3 (8)H2S(9)HCl (10)H2SO4(11)Ba(OH)2(12)NaCl(13)蔗糖(14)NaCl溶液,其中属于电解质的是( )
| A.(1)(3)(6)(8)(9)(11) | B.(2)(3)(6)(10)(11)(13) |
| C.(3)(8)(9)(10)(11)(12) | D.(4)(5)(7)(10)(11)(14) |
根据下表信息,判断0.10mol/L的下列各溶液pH值最大的是
| A. CH3COONa B. Na2CO3 C. Na2S D. Na3PO4 |
|
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