? asked in 教育及參考書其他 - 教育 · 1 decade ago

科學問題 ( F.1 - Bunsen flame ) 英文唔該! [ 急呀 ]

我要 " Investigating the Bunsen flame " 既 step 呀 >< 唔該哂 英文呀

係燒水之後個個!

好似係

- 擺火柴係 chimney 中間

- 燒木條

- 燒塊鐵絲網

1 Answer

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  • ?
    Lv 6
    1 decade ago
    Favorite Answer

    LIGHTING A BUNSEN BURNER

    1.connect the rubber tubing to the gas tap.

    2.put the Bunsen burner on a heat-proof mat.

    3.turn the collar to close the air hole

    4.light a match.

    5.put the burning match over the chimney and turn on the gas tap.

    6.open the air hole slowly to adjust the flame.

    希望幫到你...最好給我20分

    圖片參考:http://hk.yimg.com/i/icon/16/1.gif

    ...多謝

    2007-12-15 10:08:23 補充:

    http://en.wikipedia.org/wiki/Flame_emission_spectr...

    Source(s): 我自己本i.s book同我阿sir
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