WorksheetsCHEMICAL PROPERTIES OF METALS AND NON METALS
Total questions: 20
Worksheet time: 15mins
Which one of the following gas burns with the "pop" sound?
Oxygen
Hydrogen
Chlorine
Hydrogen Sulphide
MgO +H2O =
MgOH
Mg2O
Mg(OH)2
Mg(O)2
Potassium + Oxygen gives
2K2O
2CaO
2mgO
2N2O
Which one of the following metal reacts vigorously with oxygen and water?
Sodium
Potassium
Calcium
Magnesium
When MgO is dissolved in water, Mg(OH)2 is obtained. The solution thus obtained is _______________ in nature.
Amphoteric
Alkaline
Neutral
Acidic
Identify the non-metal which exists in a liquid state in room temperature 25∘C.
Aluminium
Mercury
Iodine
Bromine
What is the chemical formula of copper sulphate?
CuSO4
CuCO3
CuCI2
CuO
When magnesium reacts with water and oxygen, what can we observe?
Coated with black layer
Does not burn
Burns with a yellow flame
Burns with a brilliant white flame.
Zinc + Sulphuric = Zinc Sulphate + ______________
Oxygen
Hydrogen Gas
Nitrogen
Hydrogen Sulphate
Metals react with acids to produce _____________.
Oxygen
Smoke
Hydrogen
Nitrogen
Metal react with oxygen to produce _________ oxides and non-metal react with oxygen to produce_________ oxides.
Acidic, Basic
Basic, Acidic
Basic, Basic
Acidic, Acidic
The presence of _________ and _________ are necessary for iron to rust.
Air, Water
Rust, Water
Air, Rust
Hydrogen, Water
Chemical name of Potassium is :
Pu
K
Po
Ks
Chemical name of Sodium is :
Su
So
S
Na
Mercury is more reactive than Sodium.
True
False
Potassium is highly reactive while Platinum is least reactive.
True
False
The element which is stored under kerosene is-
Sulphur
Phosphorus
Sodium
Silicon
Which of the following metal exist in liquid state in room temperature?
Mercury
Bromine
Aluminium
Sodium
Corrosion of copper is-
Brown in colour
Black in colour
Green in colour
Blue in colour
Non- metal which is kept in water to prevent reaction with oxygen-
Phosphorus
Sodium
Potassium
Sulphur
