下列物质中既能做氧化剂,又能作还原剂的是
未知类型:{'options': ['[tex=3.143x1.214]/AVGMa5+a5jzWs1V+y9I6JUZWFzGU41mX0/Cq5r1zBw=[/tex]', '[tex=2.643x1.214]QpMAw1S05oqNVZcx2L1WXwAiqUVwuBHXMAU9ZmWZEjQ=[/tex]', '[tex=3.429x1.214]Yt5K1ePkHtNaPEZSLqaxrOvIyLQmp2LXpuYxjIJuKiI=[/tex]', '[tex=2.286x1.214]GewxvUvSyBP1iMJtGQ6fXpfKavoEf76wEWKtFecsj4E=[/tex]', '[tex=2.214x1.214]HiZvhYh08myFoK+FVl9tWH6YqrvCHBxfDNni5YJ0PNc=[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=3.143x1.214]/AVGMa5+a5jzWs1V+y9I6JUZWFzGU41mX0/Cq5r1zBw=[/tex]', '[tex=2.643x1.214]QpMAw1S05oqNVZcx2L1WXwAiqUVwuBHXMAU9ZmWZEjQ=[/tex]', '[tex=3.429x1.214]Yt5K1ePkHtNaPEZSLqaxrOvIyLQmp2LXpuYxjIJuKiI=[/tex]', '[tex=2.286x1.214]GewxvUvSyBP1iMJtGQ6fXpfKavoEf76wEWKtFecsj4E=[/tex]', '[tex=2.214x1.214]HiZvhYh08myFoK+FVl9tWH6YqrvCHBxfDNni5YJ0PNc=[/tex]'], 'type': 102}
举一反三
- 下列物质中既能做氧化剂,又能作还原剂的是. 未知类型:{'options': ['[tex=3.143x1.214]5PD+FMmEqYQTBzObQ77b3WbAE/32S3nf7O3/r/rsyFY=[/tex]', '[tex=0.714x1.214]PvaJRgQqgWGqjXo+Yecm1w==[/tex]', '[tex=1.5x1.214]AFHriG2gnET7TlMPzrLRTw==[/tex]', '[tex=2.286x1.214]GewxvUvSyBP1iMJtGQ6fXpfKavoEf76wEWKtFecsj4E=[/tex]', '[tex=2.857x1.5]16Eq0Ry8v8MuRVaI8AP0TbxMXuqTjKIeCfdGFuzXtgs=[/tex]'], 'type': 102}
- 某人对商品x的需求函数是[tex=5.214x1.214]0m6eBd5eyK0NjuxeKfwtIw==[/tex],[tex=4.214x1.214]I717YsPbj8Rnym1v2XQ+sFNkUl7mqUsGwbjwjXmy2xc=[/tex],这里[tex=0.571x1.0]Za328cIB4SeR7rrzY+MM5Q==[/tex]是[tex=0.571x0.786]ZSLOI4fiO1oAbVC5M8IVkA==[/tex]的价格。如果商品x 的价格是0.5元,那么他对商品x的需求价格弹性是 未知类型:{'options': ['-10', '- 1/5', '-1/10', '\xa0- 1/3'], 'type': 102}
- [tex=2.214x1.0]Z8GWW72u+MH/mjafnp+83A==[/tex]丙酮酸经过丙酮酸脱氢酶系和柠檬酸循环产生[tex=4.0x1.214]EPDWVFNjIR8daNoozaWRDg==[/tex],生成的[tex=3.214x1.0]1AqDCKqjaAug6buHS5Z0tQ==[/tex]、[tex=3.429x1.214]HYAn2+I9AZQLWcA3ajoPaw==[/tex]和[tex=2.143x1.0]qQANfGnLx7pE5mcaEibuNg==[/tex](或[tex=2.071x1.0]YGdeb/NAM7yg+XY6SY16Fg==[/tex])的摩尔比是( )。 未知类型:{'options': ['3:2:0', '4:2:1', '4:1:1', '3:1:1', '2: 2:2'], 'type': 102}
- 下列方程中是一阶微分方程的是[input=type:blank,size:4][/input]. 未知类型:{'options': ['[tex=8.0x1.571]SnLzj4UlSfnGqNtEzxfZSuZwslGsWxsvP2Y+yf7H578Vefe1Ol/nJT135DjkdnSNNikL3arAj80BjvPHaHCDiA==[/tex]', '[tex=10.571x1.571]JR4yrHJRIZfJXwhFSObwrfajFnWUvXzM/YiA3M6aDKuVBZ8I+7v5iXTXdA3E6Rm4vOE2BCfPwFP2rmRygXKEUDk1qLsNDCJ2p8GEbfCSr2s=[/tex]', '[tex=5.643x1.357]m0sKckxx+jZ9iltApBtB23TBISIOx/g0judcsS+akNFZrUNCq3g+BIVQwGbQEh/C[/tex]', '$y^{(4)}+5 y^{\\prime}-\\cos x=0$'], 'type': 102}
- 在中性介质或在酸性介质但还原剂较少时,[tex=3.429x1.214]Yt5K1ePkHtNaPEZSLqaxrOvIyLQmp2LXpuYxjIJuKiI=[/tex]被还原剂还原为 未知类型:{'options': ['[tex=2.429x1.214]FjzMijC6LsJt7KcHgETrwW+2EH95jDokJ3qdjJ/M8jA=[/tex]', '[tex=3.571x1.429]+RLs+74xEQShE6Z6GiZzbr10hxoi6ib3Ja2UmJg8fLw=[/tex]', '[tex=2.643x1.214]QpMAw1S05oqNVZcx2L1WXwAiqUVwuBHXMAU9ZmWZEjQ=[/tex]', '[tex=2.857x1.429]+RLs+74xEQShE6Z6GiZzbk9B13R5Zm5ILxJnLuDufcs=[/tex]'], 'type': 102}