幾題化學題目想要請教 - 酒精
By Frederic
at 2009-02-05T00:00
at 2009-02-05T00:00
Table of Contents
1.下列哪些是物理變化?哪些是化學變化?(1)鐵生鏽(2)混凝土凝固(3)石墨轉變為金剛石(4)由液態空氣中分離出氮與氧(5)植物行呼吸作用(6)乾冰變成氣太二氧化碳2將一個玻璃瓶裝滿水,密封後置入由乾冰和酒精組成的冷劑中,在低溫下,該玻璃瓶便發生爆裂。試問玻璃瓶爆裂的主因為何?3.寒冷地區常有以玻��
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酒精
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