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Interactive Video
•
Chemistry
•
12th Grade
•
Hard
Lê Anh
FREE Resource
6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion calcium (Ca2+) tạo ra màu ngọn lửa màu gì?
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2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion potassium(K+) tạo ra màu ngọn lửa màu gì?
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion lithium (Li+) tạo ra màu ngọn lửa màu gì?
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion sodium (Na+) tạo ra màu ngọn lửa màu gì?
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion đồng (Cu2+) tạo ra màu ngọn lửa màu gì?
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