Сера
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Проект 32
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
К какой группе периодической системы химических элементов относится сера ?
2
5
4
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В скольких аллотропных модификациях существует сера в природе ?
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая аллотропная модификация является самой устойчивой ?
ромбическая
моноклинная
пластическая
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
С чем из предложенных элементов сера не реагирует:
Серная кислота
азотная кислота
хлор
Оксидом углерода 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова разность между высшей и низшей степенью окисления у серы ?
2
4
5
8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В составе каких структур сера встречается в нашем организме?
В составе углеводов
В составе белков
В составе жиров
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