
氢气与燃烧过程
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
3 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氢气在宇宙中有什么特点?
无法燃烧
最复杂的元素
最简单和最广泛存在的元素
只存在于地球上
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氢氧混合物的特性是什么?
既燃烧又爆炸
既不燃烧也不爆炸
只燃烧不爆炸
只爆炸不燃烧
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氢气燃烧时火焰的颜色是由什么引起的?
氢气本身
氧气
肥皂溶液中的钠
氮气
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