
중3 질량보존법칙까지
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
주영 한
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
화학 반응의 특징으로 옳지 않은 것은?
원자의 배열이 달라진다.
원자의 종류가 달라진다.
원자의 수는 달라지지 않는다.
새로운 물질이 만들어 진다.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
화학식을 이용하여 화학 반응을 나타낸 것은?
분자식
물리 변화
화학 변화
화학 반응식
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
다음 A에 들어갈 화학식의 계수는?
2H2 + O2 -> (A)H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
메테인의 화학식으로 옳은 것은?
CH4
NH3
O2
H2O
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A, B, C에 들어갈 각각의 숫자는?
(A) H2O2 → (B) H2O + (C) O2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
화학 반응에서 변하지 않는 질량을 설명하는 법칙은 무엇인가?
일정 성분비 법칙
기체 반응 법칙
질량 보존 법칙
염분비 일정 법
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
수소가 연소할 때 생성되는 물질은 무엇인가?
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