問題詳情
9. 以二氧化碳之分子式及碳、氧原子量可求得每44克的二氧化碳中含碳12克，這是基於下列哪一定律？
(A)倍比定律
(B)氣體反應體積定律
(C)質量守恆定律
(D)定比定律。
(A)倍比定律
(B)氣體反應體積定律
(C)質量守恆定律
(D)定比定律。
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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