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Summary NW (Graad 9) Saamgestelde Vraestelboek $9.27   Add to cart
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Summary NW (Graad 9) Saamgestelde Vraestelboek

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  • Course
  • Life Sciences
  • Institution
  • 9th Grade

Hierdie gewilde Dedicated Online Tutoring Graad 9 NW saamgestelde vraestelboek in PDF-formaat sluit verskeidenheid vraestelle en oefeninge in wat dien as uitstekende hersiening en eksamenvoorbereiding. Spesiale dank aan WCED-bronne.

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Document information

  • November 8, 2022
  • 94
  • 2022/2023
  • Summary

Subjects

  • summaries
  • studienotas
  • opsommings
  • graad 9
  • summary
  • nw

Written for

  • 9th Grade
  • Life Sciences
  • 200
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1  review

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By: anjastruwig26 • 8 months ago

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dorettebester

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GRAA
NATUURW
Saamgestelde


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01234546811594 1   314934

,KIES SLEGS A, B, C OF D

VRAAG 1:

1.1) Die horisontale rye op die Periodieke Tabel word:

A.) Groepe genoem.
B.) Periodes genoem.
C.) Elemente genoem.
D.) Geen van die bogenoemde.

1.2) Element X is diatomies en reageer met element Y wat monoatomies is. As die produk ‘n
metaaloksied is wat met soutsuur reageer, wat is die moontlike sout wat vorm?

A.) XCl2
B.) XCl.
C.) YCl.
D.) XY. (2)

, 1.3) Butaan brand in ‘n oormaat suurstof en vorm koolstofdioksied en water.

C4H10 + O2 CO2 + H2O

Die reaksie word gebalanseer en dus sal:

A.) Koolstofdioksied 8 molekules vorm.
B.) 2 water molekules vorm.
C.) A en B.
D.) Geen van die bogenoemde. (2)

1.4) Die algemene naam vir Magnesiumsulfaat is:

A.) Bytpotas.
B.) Soutsuur.
C.) Marmer.
D.) Engelse Sout. (2)




1.5) Beskou die volgende prentjie wat die reaksie voorstel. Die deeltjies regs van die pyl word die
produkte genoem. Wat word die deeltjies links van die pyltjie genoem


+


A.) Stowwe.
B.) Produk.
C.) Reaktante.
D.) geen van die bogenoemde. (2)

VRAAG 2:

2.1) Definieer die term diatomiese element en gee ‘n voorbeeld van ‘n diatomiese element. (2)
2.2) Skryf die formule vir roes neer. (1)
2.3) Skryf en balanseer die reaksie vir die vorming van roes. (3)
2.4) Gebruik diagramme om die volgende reaksie voor te stel. (3)

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