
Ջրի կառուցվածքի վիկտորինա
Flashcard
•
Education
•
9th Grade
•
Practice Problem
•
Hard
Lilia T
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
Quelle est la structure moléculaire du dioxyde de carbone (CO2) ?
Back
CO2, un atome de carbone et deux atomes d'oxygène.
2.
FLASHCARD QUESTION
Front
Quelles sont les principales propriétés physiques de l'eau ?
Back
État liquide, résistance à haute température, chaleur spécifique élevée, haute tension superficielle, propriété de solvant, incolore, inodore et sans goût.
3.
FLASHCARD QUESTION
Front
Quelle est la composition chimique de l'eau ?
Back
H2O
4.
FLASHCARD QUESTION
Front
Combien de molécules d'eau y a-t-il dans un litre d'eau ?
Back
environ 3,34 x 10^25 molécules
5.
FLASHCARD QUESTION
Front
Comment est constitué la molécule d'eau ?
Back
H2O
6.
FLASHCARD QUESTION
Front
Quels états l'eau peut-elle avoir :
Back
Liquide, congelé, gazeux
7.
FLASHCARD QUESTION
Front
Comment la densité de l'eau change-t-elle avec la température :
Back
La densité de l'eau diminue avec l'augmentation de la température, et elle est maximale à 4 degrés Celsius :
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