Kontrolltöö-oksüdatsiooniaste
Authored by Maret Evisalu
Chemistry
7th Grade
Used 3+ times
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22 questions
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1.
OPEN ENDED QUESTION
10 mins • 2 pts
Kui suur on Ca oksüdatsiooniaste ja miks?
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2.
OPEN ENDED QUESTION
10 mins • 1 pt
Kirjuta oksiidi nimetus - BeO
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3.
OPEN ENDED QUESTION
15 mins • 2 pts
Loe läbi kirjeldused ja kirjuta millise oksiidiga on tegemist ning selle valem. Maaatmosfääris on seda 0,02%. See on värvusetu ja lõhnatu gaas. Peamiselt satub see õhku hingamistegevuse, põlemise ja lagunemise tagajärjel. Seda gaasi kasutatakse ka toiduainetööstuses karboniseeritud jookide valmistamisel.
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4.
OPEN ENDED QUESTION
10 mins • 1 pt
Kirjuta oksiidi nimetus SO₃
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5.
OPEN ENDED QUESTION
10 mins • 1 pt
Kirjuta oksiidi nimetus Fe₂O
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6.
OPEN ENDED QUESTION
10 mins • 1 pt
Kirjuta oksiidi nimetus ZnO
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7.
OPEN ENDED QUESTION
10 mins • 1 pt
Kirjuta oksiidi nimetus NO₃
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