
Викторина по Кальцию и его Соединениям

Quiz
•
Chemistry
•
9th Grade
•
Medium
Ivan Dyomin
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой цвет имеет кальций?
Красный
Серебристо-белый
Зеленый
Синий
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова плотность кальция?
1,00 г/см^3
3,00 г/см^3
2,70 г/см^3
1,55 г/см^3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При какой температуре плавится кальций?
1000°C
1200°C
850°C
600°C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В каких природных формах встречается кальций?
В чистом виде
В газообразном состоянии
В соединениях
В жидком состоянии
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой из следующих минералов является карбонатом кальция?
Известняк
Флюорит
Апатит
Гипс
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова электронная конфигурация кальция?
ns^1
ns^2
ns^3
ns^4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова степень окисления кальция?
-1
+2
+1
-2
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