Занятие 2

Занятие 2

11th Grade

25 Qs

quiz-placeholder

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Занятие 2

Занятие 2

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Medium

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25 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

какие из перечисленных элементов реагируют с щелочами?

S

Cr

Be

Na

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

что образуется в реакции натрия с кислородом?

оксид

пероксид

надпероксид

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

коэффициент перед водой

  1. Al + HNO₃(конц.) ➞ (t°) Al(NO₃)₃ + NO₂ + H₂O

3

6

15

4

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

составьте формулу сульфата аммония

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

амфотерные металлы

Be

Si

Au

Zn

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

что образуется при реакции железа с хлором?

хлорид железа 3

перхлорат натрия

FeCl3

FeCl2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

выберите с чем может реагировать азот

NaNO₃, CO₂, Pt

Ca, O₂, H₂

NaOH, HNO₃, H₂

H₂SO₄, CO, Ca(OH)₂

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