
Chemiese Reaksie Vergelykings
Authored by Landi Neethling
Chemistry
11th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Skryf die gebalanseerde chemiese reaksie vergelyking vir 'suur-base reaksie' tussen soutsuur en natriumhidroksied.
H2O + NaCl -> HCl + NaOH
HCl + NaOH -> H2O + Na2Cl
HCl + NaOH -> H2O + NaCl
H2O + NaCl -> H2O + NaOH
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Skryf die gebalanseerde chemiese reaksie vergelyking vir 'redoks reaksie' tussen yster en suurstof.
Fe2O3 -> 3Fe + O2
FeO + O2 -> Fe2O3
4Fe + 3O2 -> 2Fe2O3
2Fe + O2 -> Fe2O
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Skryf die gebalanseerde chemiese reaksie vergelyking vir 'verbranding reaksie' van metielalkohol (CH3OH).
2CH3OH + 3O2 -> 2CO2 + 4H2O
CH3OH + 2O2 -> CO2 + H2O
C2H5OH + O2 -> CO2 + 3H2O
CH4 + O2 -> CO2 + 2H2O
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Skryf die gebalanseerde chemiese reaksie vergelyking vir 'neerslag reaksie' tussen natriumchloried en silwernitraat.
NaCl + AgNO3 -> AgCl + NaNO3
NaCl + AgNO3 -> NaClNO3 + AgCl
AgNO3 + NaCl -> AgCl + NaNO3
NaCl + AgNO3 -> NaClAgNO3
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Skryf die gebalanseerde chemiese reaksie vergelyking vir 'sintese reaksie' van waterstof en suurstof om water te vorm.
H2O -> H2 + O2
2H2 + O2 -> 2H2O
2H2O -> 2H2 + O2
H2 + O2 -> H2O
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Skryf die gebalanseerde chemiese reaksie vergelyking vir 'afbreek reaksie' van waterstofperoksied (H2O2).
2H2O2 -> H2O + H2O + O
2H2O2 -> 2H2O + O2
H2O2 -> H2O + O2
H2O2 -> H2O + H2O
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Skryf die gebalanseerde chemiese reaksie vergelyking vir 'suur-base reaksie' tussen swawelsuur en kalsiumhidroksied .
H2SO4 + Ca(OH)2 -> H2O + Ca(HSO4)2
H2SO4 + Ca(OH)2 -> 2H2O + CaSO4
H2SO4 + Ca(OH)2 -> H2O + Ca(OH)2
H2SO4 + Ca(OH)2 -> H2O + CaSO4
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