as tiltle
同plastic定detergent有冇關係?
係咪同cracking 差唔多?
out of ce syllabus?
唔該講簡單一點
因為老師未教plastic detergent...
2006-10-31 16:27:58 · 1 個解答 · 發問者 2003 2 in 科學 ➔ 化學
catalytic dehydration = dehydration by using a catalyst.....
removal of water molecules from the original substance
2006-10-31 16:36:38 · answer #1 · answered by Anonymous · 0⤊ 0⤋