問題詳情
9. 當天空中具有過飽和的水蒸氣時,常可用乾冰與碘化銀來達降水的目的,則下列何者正確?
(A)乾冰在高空會昇華為二氧化碳可讓高空中的水蒸氣減少吸收長波輻射,增加降水的機會
(B)碘化銀是一種感光物質,故使用的目的是吸收紫外線,降低水蒸氣吸收短波輻射的機會
(C)過飽和溶液是一種不穩定的溶液,一旦遇到晶種,立即會導致溶質的析出,所以碘化銀是作為晶種之用
(D)乾冰昇華所得的二氧化碳會與碘化銀結合,讓高空中的水蒸氣更易凝結而降水
(E)乾冰昇華時放熱,會使高空中的水氣更多。
(A)乾冰在高空會昇華為二氧化碳可讓高空中的水蒸氣減少吸收長波輻射,增加降水的機會
(B)碘化銀是一種感光物質,故使用的目的是吸收紫外線,降低水蒸氣吸收短波輻射的機會
(C)過飽和溶液是一種不穩定的溶液,一旦遇到晶種,立即會導致溶質的析出,所以碘化銀是作為晶種之用
(D)乾冰昇華所得的二氧化碳會與碘化銀結合,讓高空中的水蒸氣更易凝結而降水
(E)乾冰昇華時放熱,會使高空中的水氣更多。
參考答案
答案:C
難度:適中0.541667
統計:A(2),B(2),C(13),D(2),E(5)
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