Оксиды. Кислород.

Оксиды. Кислород.

7th - 8th Grade

13 Qs

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Оксиды. Кислород.

Оксиды. Кислород.

Assessment

Quiz

Chemistry

7th - 8th Grade

Practice Problem

Hard

Created by

Bohdan Zavydovskyi

Used 49+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Укажите число оксидов в ряду соединений NaOH, H2 , P2O5, FeCl2, HBr, FeSO4, HNO3, N2O

1

2

3

4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Формула оксида элемента №11

ЭО

Э2О

ЭО2

Э2О3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

К КАКОМУ КЛАССУ ВЕЩЕСТВ ОТНОСЯТ РЯД ОКСИДОВ?

CH4 , MgO , BaO

СO2 , SiO2 , N2O3

HCl , HNO2 , KOH

Al , FeO , SnO2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

какой формуле относят оксид Р (III)

P2O3

P2O5

PO4

PO3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

КАКАЯ ЗАПИСЬ ВЕРНАЯ ? ДЛЯ ФОРМУЛЫ - ОКСИД АЗОТА(IV)

NO2

N2O4

N2O3

NO

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

надо составить: оксид серы (IV)

SO3

SO2

SO

S2O6

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Сумма коэффициентов в уравнении реакции, схема которой O2 + Fe = Fe3O4, равна

6;

5;

8;

4.

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