
Quiz despre Hidrogen
Authored by Mariana Cirliciuc
Chemistry
8th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este simbolul chimic al hidrogenului?
Ho
He
Hg
H
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este masa atomică a hidrogenului?
1,00794 u
2,345 u
0,987 u
3,210 u
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este punctul de topire al hidrogenului la presiune normală?
-100 °C
-300 °C
-259,1 °C
-50 °C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce procent din masa Universului este reprezentat de hidrogen?
50%
75%
90%
30%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este principala componentă a hidrogenului în natură?
H2O
H2
H2SO4
O2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este rolul hidrogenului în reacțiile acido-bazice?
Acceptator de electroni
Schimbător de protoni
Neutralizator de ioni
Donator de electroni
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este principala aplicație a hidrogenului în industria petrochimică?
Producerea de benzină
Producerea de sticlă
Producerea de plastic
Producerea de cauciuc
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