
Занятие 2
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Софья ♡
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25 questions
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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
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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