我fri測驗
就唔知glowing splint and burning spint之解
中英皆，幫下我。
what is glowing splint and burning spint??
2006-11-08 11:06 pm
回答 (3)
2006-11-09 1:15 am
✔ 最佳答案
glowing splint係帶有餘燼的木條burning splint係燃燒中的木條
兩個都可以用o黎測試氧氣,前者會重燃(relight),後者會燃得更旺
但係後者唔係咁準,所以通常用前者
後者亦都可以用o黎測試氫氣,會「噗」一聲("pop" sound)
2006-11-09 3:38 am
burning spint is the wooden splint burn with brighter flame than glowing splint.
glowing splint is use to test for hydrogen gas or carbon dioxide or others.
burning spint is use to test for oxygen if it relight.
glowing splint is use to test for hydrogen gas or carbon dioxide or others.
burning spint is use to test for oxygen if it relight.
2006-11-08 11:14 pm
burning splint is a wooden splint which is burning you can see there is flame(火焰) on it
glowing splint is a wooden splint which burn before but the flame has just put out, you can see the splint is red hot but no flame on it
glowing splint is a wooden splint which burn before but the flame has just put out, you can see the splint is red hot but no flame on it
收錄日期: 2021-04-12 21:31:38
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