金屬鎳（Ni）與物質X的溶液發生反應的化學方程式爲：Ni+X═Cu+NiSO4，則下列說法錯誤的是（ ）A．...
問題詳情：金屬鎳（Ni）與物質X的溶液發生反應的化學方程式爲：Ni+X═Cu+NiSO4，則下列說法錯誤的是（）A．Ni的化合價由0價變爲+2價B．X的化學式爲CuSO4C．該反應前後原子種類沒有發生改變D．Cu的金屬活動*比Ni強【回答】【考點】金屬的化...
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金屬鎳（Ni）與物質X的溶液發生反應的化學方程式爲Ni+X＝Cu+NiSO4，則下列說法錯誤的是（ ）A．N...
問題詳情：金屬鎳（Ni）與物質X的溶液發生反應的化學方程式爲Ni+X＝Cu+NiSO4，則下列說法錯誤的是（）A．NiSO4中Ni的化合價爲+2價 B．該反應屬於置換反應，反應過程中各元素的化合價不變 C．X的化學式爲CuSO4 D．Cu的金屬活動*比Ni弱【回...
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Putthenixonfrying.Fathersaidnixonourplan.MondaythroughFridayshecutcaloriesdrasticallybystickingtodressing-freesalads,leanmeatsandsteamedvegetables,andbyputtingthenixondessertsaltogether....
用“nix”造句大全，nix造句
Heworkedfornix.Putthenixonfrying.Itcostmeabsolutelynix.Fathersaidnixonourplan.Thatlittleboylikestokeepnixforhisbrothers.ThebarwasofferingbeerfornixsoIdidn'tspendacentthewholeevening.Isupposemomwillsa...