Черни и цветни метали

Quiz
•
Education
•
6th Grade
•
Hard

P. K.
Used 7+ times
FREE Resource
31 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой метал е известен като "черното злато" в индустрията?
Мед
Желязо
Алуминий
Никел
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой от следните метали не е черен метал?
Стомана
Чугун
Месинг
Ковък чугун
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой елемент е основната съставка на стоманата?
Хром
Въглерод
Никел
Молибден
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой от следните метали е цветен метал?
Желязо
Чугун
Мед
Стомана
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой процес се използва за производство на алуминий?
Сплавяне
Легиране
Електролиза
Окисляване
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой метал е най-често използван в електротехниката поради своята добра проводимост?
Мед
Желязо
Цинк
Калай
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой от следните метали е устойчив на корозия?
Желязо
Алуминий
Стомана
Чугун
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