Khao sat hieu biet Hidro
Authored by Le Trang
Chemistry
6th - 8th Grade
Used 1+ times
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20 questions
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1.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Nguyên tố Hidro ký hiệu là gì?
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Nguyên tố Hidro nặng bao nhiêu?
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Khí Hidro ký hiệu là gì?
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Khí Hidro nặng bao nhiêu đvC (hay g/mol)?
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Khối lượng khí Hidro so với các khí khác và so với không khí thì thế nào?
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Tỉ khối của khí Hidro so với không khí là bao nhiêu?
(M trung bình của không khí là 29)
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Khí Hidro nhẹ hơn không khí bao nhiêu lần
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