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WorksheetsMetallic oxide
Total questions: 12
Worksheet time: 8mins
CaO + H2O --> ?
All is incorrect
Ca(OH)2 + H2
Ca(OH)2
CaO + H2
Na2O + SO2 --> ?
Na2SO3
Na2SO2
Na2O + H2
I don't know
Metallic oxide + Acid --> ?
(a)
What common colors of lead?
Orange
Red
Black
Yellow
BaO + H2O -> ?
Ba(OH)2
BaH2O
BaOH + H2O
BaOH
What is the 4th strongest of metals?
K Na Ba Mg
K Ca Ba Na
Pb Fe K Ba
Al Mg Na Zn
CuO + CO -> ?
Cu + CO2
Cu(OH)2
Cu + H2O
Cu + C2
Naming:
Iron (III) oxide
FeO
FeO3
I don't know
Fe2O3
Metallic oxide + Acidic oxide --> ?
(a)
Metallic oxide is commonly found in what form?
Liquid
Gas
All is correct
Solid
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Why do metallic oxide have high melting point?
Because they are metal
Because metallic oxides containing strong and giant structures of ions and covalent bonds, make it need a lot of energy to break many strong bond.
Because it is a crystalline solid and an ionic compound
Because it is a metals
