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Show that metallic oxides are basic in nature
Show that metallic oxides are basic in nature
Theory
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1)
Which metallic element is rust an oxide
None of the above
Aluminium
Copper
Titanium
Iron
2)
The most abundant metal in the earth’s crust is
Aluminium
Iron
Calcium
None of the above
Sodium
3)
This oxide is the main constituent of sand
Phosphorous pentoxide
Manganese dioxide
Alumina
All the above
Silica
4)
Non metallic oxide essential for photosynthesis
None of the above
Carbon monoxide
Carbon dioxide
Manganese dioxide
5)
The gas which is commonly known as laughing gas?
None of the above
Nitric oxide
Nitrous oxide
Nitrogen dioxide
Silicon dioxide
6)
Which of the metals used for studio lighting?
Magnesium
Zinc
None of the above
Cobalt
Nickel
7)
Which non metalic oxide dissolve in water forms Sulphuric acid?
None of the above
Phosphorous trioxide
Sulphur dioxide
Phosphorous pentoxide
Sulphur trioxide
8)
Basic oxide:
ZnO
P2O5
None of the above
CO
BaO
9)
Acidic oxide with water
All the above
Salt
Both acid and base
Acid
Base
10)
The __________ oxides can be neutralized with a base to form a salt and water.
Metal
Non metal
Both a and b are incorrect
Acidic and basic
Both a and b correct