- ) Which of the following electronic configurations is of nonmetal?
A ) (2, 5)
B ) (2, 8, 1)
C ) (2, 8, 3)
D ) (2, 8, 2)
Ans A ) (2, 5)
- ) A greenish color deposit is formed on silver by its reaction with hydrogen sulphide gas.
A ) False
B ) True
Ans A ) False
- ) Metal which exist in liquid state.
A ) Sodium
B ) Gallium
C ) Potassium
Ans B ) Gallium
- ) Find the odd one out
A ) Silver B ) Copper C ) Lead
D ) Aluminium
Ans C ) Lead
- ) Metals produce sound on striking.
A ) False
B ) True
Ans B ) True
- ) is a metalloid.
A ) Mercury B ) Silicon C ) Bromine D ) Zinc
Ans B ) Silicon
7 ) Al : 2,8,3 :: N: ……………
A ) 2,5
B ) 2,7
Ans A ) 2,5
- ) Which of the following metals is in liquid state at room temperature?
A ) Gallium
B ) Calcium
C ) Potassium
D ) Lead
Ans A ) Gallium
- ) Pure gold is …………….
A ) Hard
B ) Soft
Ans B ) Soft
- ) Oxides of non-metals react with water to form bases.
A ) True
B ) False
Ans B ) False
- ) An alloy is made by mixing the constituent elements.
A ) True
B ) False
Ans A ) True
- ) Metal with low density.
A ) Sodium
B ) Calcium
C ) Magnesium
Ans A ) Sodium
- ) Find the odd one out
A ) Hydrogen
B ) Phosphorus
C ) Nitrogen
D ) Oxygen
Ans B ) Phosphorus
- ) The ability of metals to be drawn into a thin sheet is called …………… .
A ) Malleability
B ) Ductility C ) Sonority D ) Density
Ans A ) Malleability
- ) Find the odd one out
A ) Ductility
B ) Brittleness
C ) Sonority
D ) Malleability
Ans B ) Brittleness
- ) The corrosion of iron can be prevented by coating it with …………… .
A ) Copper
B ) Lead C ) Zinc D ) Silver
Ans C ) Zinc
- ) Non-metal shows the property of luster.
A ) Iodine B ) Sulphur C ) Oxygen
D ) Platinum
Ans A ) Iodine
- ) is an alloy of copper and Tin
A ) Bronze
B ) Brass
Ans A ) Bronze
- ) Find the odd one out
A ) Oxygen B ) Bromine C ) Sulphur D ) Fluorine
Ans B ) Bromine
- ) Find the odd one out A ) Gold
B ) Silver
C ) Iron
D ) Diamond
Ans D ) Diamond
- ) Metal + Cold water → ……………
A ) Hydroxide + Hydrogen gas
B ) Oxide + Hydrogen gas
Ans A ) Hydroxide + Hydrogen gas
- ) Highly malleable metal.
A ) Copper
B ) Silver
C ) Potassium
Ans B ) Silver
- ) Find the odd one out
A ) Silicon
B ) Germanium
C ) Arsenic
D ) Boron
Ans D ) Boron
- ) All elements are classified into metals, non-metals and metalloids.
A ) True
B ) False
Ans A ) True
- ) A reddish color deposit is formed on iron by its reaction with oxygen gas.
A ) True
B ) False
Ans A ) True
- ) Metals have low densities.
A ) True
B ) False
Ans B ) False
- ) Which of the following represents 100 percent pure gold?
A ) 14 carat
B ) 18 carat
C ) 22 carat
D ) 24 carat
Ans D ) 24 carat
- ) are the allotropic forms of carbon.
A ) Diamond and Gold
B ) Gold and Silver
C ) Diamond and Graphite
D ) Lead and Diamond
Ans C ) Diamond and Graphite
- ) is a good conductor of electricity.
A ) Carbon B ) Sulphur C ) Graphite D ) Iodine
Ans C ) Graphite
- ) Non-metals are generally brittle and non-lustrous.
A ) True
B ) False
Ans A ) True
- ) Vertical cracks in stainless steel vessels are due to use of nickel instead of copper.
A ) False
B ) True
Ans A ) False
- ) Magnesium: 2,8,2 :: Sodium: ……………
A ) 2,8,1
B ) 2,8
Ans A ) 2,8,1
33 ) Chlorine: 2,8,7 :: Oxygen : ……………
A ) 2,6
B ) 2,4
Ans A ) 2,6
- ) Metal oxide + Acid → ……………
A ) Salt + Water
B ) Hydroxide + Water
Ans A ) Salt + Water
- ) Metal + dilute Acid → ……………
A ) Salt + Hydrogen gas
B ) Salt + Water
Ans A ) Salt + Hydrogen gas
- ) is an alloy of iron with carbon, chromium and nickel.
A ) Steel
B ) Stainless steel
Ans B ) Stainless steel
- ) Mercury is used in barometers.
A ) False
B ) True
Ans B ) True
- ) Light gets reflected from the cleaned or freshly cut surface of metal.
A ) True
B ) False
Ans A ) True
- ) Metals have low melting and boiling points.
A ) False
B ) True
Ans A ) False
- ) Carbon and boron have high melting point.
A ) True
B ) False
Ans A ) True
- ) is an allotrope of carbon and is a very good conductor of electricity.
A ) Diamond B ) Graphite C ) Fullerenes
Ans B ) Graphite
- ) The ability of metals to be drawn into a thin wire is called …………… .
A ) Malleability
B ) Ductility
C ) Sonority
D ) Density
Ans B ) Ductility
- ) is the only non-metallic element which is liquid at room temperature.
A ) Sulphur B ) Bromine C ) Carbon D ) Mercury
Ans B ) Bromine
- ) To prevent corrosion of metals, layer of oil, grease, varnish and paint is applied on them.
A ) True
B ) Fale
Ans A ) True
- ) Non-metals have high densities.
A ) True
B ) False
Ans B ) False
- ) The nonmetal in stainless steel alloy is …………… .
A ) Carbon
B ) Sulphur
C ) Phosphorus
D ) Nitrogen
Ans A ) Carbon
- ) Metal that is not a good conductor of heat and electricity.
A ) Sulphur
B ) Lead
C ) Aluminium
Ans B ) Lead
- ) Identify the correct reaction
Cl + e- ⎯⎯⎯⎯ Cl-
A ) Chlorine atom Chloride ion (anion)
Cl ⎯⎯⎯⎯ Cl– + 1e–
B ) Chlorine atom Chloride ion (anion)
Ans
Cl + e–
⎯⎯⎯⎯ Cl–
A ) Chlorine atom Chloride ion (anion)
- ) The metals used in the preparation of Varkha are …………… .
A ) Aluminium and gold
B ) Silver and gold
C ) Aluminium and silver
D ) Copper and aluminium
Ans B ) Silver and gold
- ) Complete the following
Metal + Oxygen → ……………
A ) Metal oxide B ) Salt + water C )
Ans A ) Metal oxide
- ) Metals : Cations :: Non-metals : ……………
A ) Ions
B ) Anions
Ans B ) Anions
- ) Which of the following metals has antibacterial property?
A ) Platinum
B ) Gold
C ) Silver
D ) Palladium
Ans C ) Silver
- ) Density of lithium is 1g/cc
A ) True
B ) False
Ans B ) False
- ) Carbon dioxide reacts with water to form carbonic acid.
A ) True
B ) False
Ans A ) True
- ) Ornaments are made from 22 carat gold.
A ) True
B ) False
Ans A ) True
- ) Iron is prevented from rusting by plating
A ) Copper
B ) Zinc
Ans B ) Zinc
- ) Platinum and Palladium metals are used as catalyst.
A ) True
B ) False
Ans A ) True
- ) Oxides of non-metal + water → ……………
A ) Acid
B ) Base
Ans A ) Acid
- ) Majority of metals have upto three electrons in their outermost shell.
A ) False
B ) True
Ans B ) True
- ) is an allotrope of carbon and is the hardest natural substance.
A ) Diamond B ) Graphite C ) Fullerenes
Ans A ) Diamond
- ) Match the following
| A (Oxides of Non-Metals) | B (Products) |
| i) SO2 + H2O | a) Sulphuric acid |
| ii) SO3 + H2O | b) Hydrogen sulphide |
| c) Sulphurous acid |
A )
| A (Oxides of Non-Metals) | B (Products) |
| i) SO2 + H2O | a) Sulphuric acid |
| ii) SO3 + H2O | b) Sulphurous acid |
| A (Oxides of Non-Metals) | B (Products) |
| i) SO2 + H2O | a) Sulphurous acid |
| ii) SO3 + H2O | b) Sulphuric acid |
B )
Ans
| A (Oxides of Non-Metals) | B (Products) |
| i) SO2 + H2O | a) Sulphurous acid |
| ii) SO3 + H2O | b) Sulphuric acid |
B )
- ) Elements which are intermediate between metals and non-metals are called …………….
A ) Metal oxide
B ) Metalloids
C ) Non-metal oxide
Ans B ) Metalloids
- ) Identify the correct reaction
Na → Na+ + 1e
A ) Sodium metal Sodium ion (cation)
Na + 1e– → Na+
B ) Sodium metal Sodium ion (cation)
Ans
Na → Na+ + 1e
A ) Sodium metal Sodium ion (cation)
- ) Antimony is a metalloid.
A ) True
B ) False
Ans A ) True
- ) Best conductors of heat.
A ) Gold
B ) Silver
C ) Mercury
Ans B ) Silver
- ) The electronic configuration of Na+ cation is …………… .
A ) (2, 8, 1)
B ) (2, 7)
C ) (2, 8, 2)
D ) (2, 8)
Ans D ) (2, 8)
- ) Silver, Copper and aluminium are the best conductors of heat.
A ) False
B ) True
Ans B ) True
- ) Gases in the air react with metals in presence of moisture to form metal compounds.
A ) False
B ) True
Ans B ) True
- ) Calcium is a soft metal and can be cut with a knife.
A ) True
B ) False
Ans B ) False
- ) The iron pillar in the premises of Qutubminar is made from an alloy of iron.
A ) False
B ) True
Ans B ) True
- ) is used in medicines.
A ) Palladium
B ) Silver
Ans B ) Silver
- ) Which of the following metal is soft?
A ) Sodium
B ) Iron
C ) Copper
D ) Zinc
Ans A ) Sodium
- ) Metals can be beaten into sheets due to property of malleability.
A ) True
B ) False
Ans A ) True
