Voorbereiding vir Eksamen NW

Voorbereiding vir Eksamen NW

9th Grade

15 Qs

quiz-placeholder

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Voorbereiding vir Eksamen NW

Voorbereiding vir Eksamen NW

Assessment

Quiz

Chemistry

9th Grade

Hard

Created by

Hayla- Claire Joseph

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Die simbool vir Koper is

Co

Cu

K

C

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Watter EEN van die volgende chemiese reaksies stel die reaksie tussen magnesiumhidroksied en soutsuur voor?

Mg(OH)2 + 2 HCl → MgCl2 + 2 H2O

Mg(OH)2 + HCl → MgCl + H2O

Mg(OH)2 + HCl → MgCl2 + H2O

Mg(OH)2 + 2 HCl → MgCl2 + 2 H2 + O2

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Die simbool vir swael is:

Su

Sa

S

Se

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Hoeveel atome is in 4CuSO4?

24

18

8

4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Watter EEN van die volgende chemiese vergelykings stel NIE ʼn gebalanseerde vergelyking voor NIE?

SO2 + H2O → H2SO3

4Na + O2 → 2Na2O

Mg(OH)2 + 2HCl → MgCl2 + 2H2O

2Al + 3O2 → Al2O3

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Waarom kom berillium en magnesium in dieselfde groep voor in die periodieke tabel?

Hulle het dieselfde chemiese eienskappe.

Beide is nie-metale.

Beide is gasse

Hulle atoomgetalle is dieselfde.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Waterstofnitraat (HNO3), bestaan uit die volgende elemente:

Helium, Nitraat en Suurstof

Waterstof, Nitraat

Waterstof, Stikstof en Suurstof

Waterstof, Suurstof en Osoon.

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