3boys2girls » 化學物理生物 » f.3 science

2008-12-4 17:38 京•都
f.3 science

有冇可以解釋比我聽下面個d野有咩用或耆係點解呀???
最好有埋example啦


1. anhydros cobalt chloride paper
2. flbours
3. cellulose
4. hydrogencarbonate

[[i] 本帖最後由 恨你﹏ 於 2009-7-4 16:53 編輯 [/i]]

2008-12-4 23:05 magiyafeimo
1. anhydros cobalt chloride paper
叫做氯化鈷試紙,試紙一種,試下有冇水份
2. flbours
纖維,蔬菜裡可以找到纖維
3. Cellulose
纖維素,組成纖維既物質
4. hydrogencarbonate
碳水化合物,用黎釋放能量俾人類同動植物

2008-12-7 01:25 昌昌
hydrogencarbonate = HCO3- (anion)
usually match with Na+

form NaCO3
a common indicator used in biology (detecting concentration of carbon dioxide)

碳水化合物should be carbohydrate

2008-12-7 03:26 magiyafeimo
你說得對,4. hydrogencarbonate我睇成carbohydrate

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