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Fosforas 10 klasė

Authored by Jelena jelenasuskevic@rambler.ru

Chemistry

10th Grade

Used 13+ times

Fosforas 10 klasė
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Fosforo simbolis

Fe

F

N

P

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Kurioje grupėje randasi fosforas?

XV

III

V

Vi

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Fosforo oksidacijos laipsniai yra......

+1 ir +3

-3 +3 +5

-3 +1 + 3

- 3 + 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Kokios alotropinės atmainos neturi fosforas?

Baltasis fosforas

jodasis fosforas

raudonasis fosforas

violetinis fosforas

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fosforo molekulė yra ............?

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Media Image
Media Image
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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Fosforas nereaguoja su ..........

siera

vandeniliu

chloru

ličiu

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Fosforas pramonėjė gaunamas iš ...........

CaSiO3

Ca3(PO4)2

Ca3P2

Na3PO4

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