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WorksheetsTERM ONE QUIZ G X CHEM 13-10
Total questions: 10
Worksheet time: 5mins
observations helps us to determine whether a chemical reaction has taken place –
change in state
change in colour
evolution of a gas
change in temperature
ALL THE ABOVE
mass can neither be created nor destroyed in a chemical reaction
ITS TRUE
ITS FALSE
CaO(s) + H2O(l) → Ca(OH)2(aq) THIS IS AN EXAMPLE OF?
COMBINATION REACTION
DECOMPOSITION REACTION
DOUBLE DISPLACEMENT REACTION
DISPLACEMENT REACTION
2FeSO4(s) →Heat Fe2O3(s) + SO2(g) + SO3(g) IT IS AN EXAMPLE OF
DISPLACEMENT
DOUBLE DISPLACEMENT
DECOMPOSITION
COMBINATION
Fe(s) + CuSO4(aq) → FeSO4(aq) + Cu(s) IDENTIFY THE GIVEN REACTION
DOUBLE DISPLACEMENT
DISPLACEMENT
COMBINATION
DECOMPOSITION
Na2SO4(aq) + BaCl2(aq) → BaSO4(s) + 2NaCl(aq IDENTIFY THE REACTION GIVEN BELOW?
COMBINATION
DECOMPOSITION
DISPLACEMENT
DOUBLE DISPLACEMENT
2Cu + O2 → Heat 2CuO
OXIDATION
REDUCTION
CuO +H Cu+H 2O
REDUCTION
OXIDATION
The black coating on silver and the green coating on copper are other examples of ____________
corrosion
OXIDATION
Usually substances which prevent oxidation______________are added to foods containing fats and oil.
antioxidants
oxidants.
