Quiz on Metals & Non Metals-Part II

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Second part of the 10 questions quiz on metals and non-metals  for class VIII of CBSE Board. Physical properties of metals are different from non metals  and  to classify elements as metals and non metals , one has to study  the chemical and physical properties of elements .They are  broadly classified  on the basis of Lustre , Hardness , Lustre , Ductility and Malleability.

Quiz  on Metals & Non Metals-Part II

Std.VIII_Science_ Materials: Metals and Non-metals

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Question 1
Ductility: Drawn into wires: : _______ : Drawn into sheets.          
A
Malleability
B
Wired-ability
C
Good conductors
D
Sheetability
E
None of the above
Question 2
Which of the following are the characteristics of a metal?        
A
Bad conductors
B
Sonorous
C
Lustrous
D
Soft
Question 3
__________ : Soft metal:: Mercury: ___________.        
A
Sodium, hard metal
B
Steel, liquid metal
C
Copper, can be cut with knife
D
Sodium, liquid metal
Question 4
________ metal can be cut with knife.        
A
Magnesium
B
Potassium
C
Iron
D
Zinc
Question 5
The dull green coating on Copper vessels is caused by ________.          
A
Exposure to air
B
Rusting of copper
C
Mixture of copper carbonate and copper hydroxide
D
Copper vessels go red on exposure to air
Question 6
Sulphur dioxide (SO2) reacts with water forming __________        
A
Sulphurous acid (H2So3)
B
Sulphuric acid (H2SO4)
C
Hydrogen Sulphide (H2S)
D
Residual Sulphur (S)
Question 7
Oxides of non-metals are ______ in nature.        
A
Neutral
B
Acidic
C
Basic
D
All of the above
Question 8
S + O2 ----------------à SO2  :: SO2 + H2O -------------------à __________        
A
H2SO4
B
HSO4
C
H2SO3
D
HSO3
Question 9
Sodium is stored in kerosene because:        
A
Sodium reacts with water vigorously
B
Sodium combines with water decreasing the room temperature drastically
C
Water is very costly
D
Sodium stays for long in kerosene without getting harmed
Question 10
___________is a non-metal which catches fire on being exposed to air.        
A
Mercury
B
Phosphorous
C
Magnesium
D
Calcium
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There are 10 questions to complete.

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