Alkalimetalle & Erdalkalimetalle

Alkalimetalle & Erdalkalimetalle

9th Grade - University

10 Qs

quiz-placeholder

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Alkalimetalle & Erdalkalimetalle

Alkalimetalle & Erdalkalimetalle

Assessment

Quiz

Chemistry, Science

9th Grade - University

Practice Problem

Hard

Created by

David Kalcher

Used 16+ times

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Welche Elemente gehören zu den Erdalkalimetallen?

Calcium

Kalium

Francium

Strontium

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Welches Element hat die höchste Reaktivität

Barium

Natrium

Kalium

Calcium

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Welche Verbindungen können aus NaCl gewonnen werden?

Natriumcarbonat

Natriumphosphat

Natriumhydroxid

Chlorgas

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Welche Formel beschreibt den Dolomit?

Ca5[OH|(PO4)3]

KCl.MgCl2.6H2O

MgCO3·CaCO3

CaF2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Welcher Vorgang beschreibt die "elektrolytische Dissoziation" von Ammoniumchlorid?

 NH4Cl  NH3 + HClNH_4Cl\ \rightarrow\ NH_3\ +\ HCl  

 NH4Cl  NH4+ + ClNH_{\text{4}}Cl\ \rightarrow\ NH_4^+\ +\ Cl^-  

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Calcium ist an der Luft instabil und zerfällt in...?

Ca(OH)2

CaC2

CaO

CaCO3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Welche Art von Gips entsteht beim Erhitzen auf 800°C - 900°C ?

Totgebrannter Gips

Stuckgips

Estrichgips

gebrannter Gips

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