MCQ on maharahtra Board topic 7. Metals and Nonmetals

  1. ) 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)

  1. ) A greenish color deposit is formed on silver by its reaction with hydrogen sulphide gas.

A ) False

B ) True

Ans A ) False

  1. ) Metal which exist in liquid state.

A ) Sodium

B ) Gallium

C ) Potassium

Ans B ) Gallium

  1. ) Find the odd one out

A ) Silver B ) Copper C ) Lead

D ) Aluminium

Ans C ) Lead

  1. ) Metals produce sound on striking.

A ) False

B ) True

Ans B ) True

  1. ) 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

  1. ) Which of the following metals is in liquid state at room temperature?

A ) Gallium

B ) Calcium

C ) Potassium

D ) Lead

Ans A ) Gallium

  1. ) Pure gold is …………….

A ) Hard

B ) Soft

Ans B ) Soft

  1. ) Oxides of non-metals react with water to form bases.

A ) True

B ) False

Ans B ) False

  1. ) An alloy is made by mixing the constituent elements.

A ) True

B ) False

Ans A ) True

  1. ) Metal with low density.

A ) Sodium

B ) Calcium

C ) Magnesium

Ans A ) Sodium

  1. ) Find the odd one out

A ) Hydrogen

B ) Phosphorus

C ) Nitrogen

D ) Oxygen

Ans B ) Phosphorus

  1. ) The ability of metals to be drawn into a thin sheet is called …………… .

A ) Malleability

B ) Ductility C ) Sonority D ) Density

Ans A ) Malleability

  1. ) Find the odd one out

A ) Ductility

B ) Brittleness

C ) Sonority

D ) Malleability

Ans B ) Brittleness

  1. ) The corrosion of iron can be prevented by coating it with …………… .

A ) Copper

B ) Lead C ) Zinc D ) Silver

Ans C ) Zinc

  1. ) Non-metal shows the property of luster.

A ) Iodine B ) Sulphur C ) Oxygen

D ) Platinum

Ans A ) Iodine

  1. ) is an alloy of copper and Tin

A ) Bronze

B ) Brass

Ans A ) Bronze

  1. ) Find the odd one out

A ) Oxygen B ) Bromine C ) Sulphur D ) Fluorine

Ans B ) Bromine

  1. ) Find the odd one out A ) Gold

B ) Silver

C ) Iron

D ) Diamond

Ans D ) Diamond

  1. ) Metal + Cold water ……………

A ) Hydroxide + Hydrogen gas

B ) Oxide + Hydrogen gas

Ans A ) Hydroxide + Hydrogen gas

  1. ) Highly malleable metal.

A ) Copper

B ) Silver

C ) Potassium

Ans B ) Silver

  1. ) Find the odd one out

A ) Silicon

B ) Germanium

C ) Arsenic

D ) Boron

Ans D ) Boron

  1. ) All elements are classified into metals, non-metals and metalloids.

A ) True

B ) False

Ans A ) True

  1. ) A reddish color deposit is formed on iron by its reaction with oxygen gas.

A ) True

B ) False

Ans A ) True

  1. ) Metals have low densities.

A ) True

B ) False

Ans B ) False

  1. ) 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

  1. ) 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

  1. ) is a good conductor of electricity.

A ) Carbon B ) Sulphur C ) Graphite D ) Iodine

Ans C ) Graphite

  1. ) Non-metals are generally brittle and non-lustrous.

A ) True

B ) False

Ans A ) True

  1. ) Vertical cracks in stainless steel vessels are due to use of nickel instead of copper.

A ) False

B ) True

Ans A ) False

  1. ) 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

  1. ) Metal oxide + Acid ……………

A ) Salt + Water

B ) Hydroxide + Water

Ans A ) Salt + Water

  1. ) Metal + dilute Acid ……………

A ) Salt + Hydrogen gas

B ) Salt + Water

Ans A ) Salt + Hydrogen gas

  1. ) is an alloy of iron with carbon, chromium and nickel.

A ) Steel

B ) Stainless steel

Ans B ) Stainless steel

  1. ) Mercury is used in barometers.

A ) False

B ) True

Ans B ) True

  1. ) Light gets reflected from the cleaned or freshly cut surface of metal.

A ) True

B ) False

Ans A ) True

  1. ) Metals have low melting and boiling points.

A ) False

B ) True

Ans A ) False

  1. ) Carbon and boron have high melting point.

A ) True

B ) False

Ans A ) True

  1. ) is an allotrope of carbon and is a very good conductor of electricity.

A ) Diamond B ) Graphite C ) Fullerenes

Ans B ) Graphite

  1. ) The ability of metals to be drawn into a thin wire is called …………… .

A ) Malleability

B ) Ductility

C ) Sonority

D ) Density

Ans B ) Ductility

  1. ) is the only non-metallic element which is liquid at room temperature.

A ) Sulphur B ) Bromine C ) Carbon D ) Mercury

Ans B ) Bromine

  1. ) To prevent corrosion of metals, layer of oil, grease, varnish and paint is applied on them.

A ) True

B ) Fale

Ans A ) True

  1. ) Non-metals have high densities.

A ) True

B ) False

Ans B ) False

  1. ) The nonmetal in stainless steel alloy is …………… .

A ) Carbon

B ) Sulphur

C ) Phosphorus

D ) Nitrogen

Ans A ) Carbon

  1. ) Metal that is not a good conductor of heat and electricity.

A ) Sulphur

B ) Lead

C ) Aluminium

Ans B ) Lead

  1. ) 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)

  1. ) 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

  1. ) Complete the following

Metal + Oxygen → ……………

A ) Metal oxide B ) Salt + water C )

Ans A ) Metal oxide

  1. ) Metals : Cations :: Non-metals : ……………

A ) Ions

B ) Anions

Ans B ) Anions

  1. ) Which of the following metals has antibacterial property?

A ) Platinum

B ) Gold

C ) Silver

D ) Palladium

Ans C ) Silver

  1. ) Density of lithium is 1g/cc

A ) True

B ) False

Ans B ) False

  1. ) Carbon dioxide reacts with water to form carbonic acid.

A ) True

B ) False

Ans A ) True

  1. ) Ornaments are made from 22 carat gold.

A ) True

B ) False

Ans A ) True

  1. ) Iron is prevented from rusting by plating

A ) Copper

B ) Zinc

Ans B ) Zinc

  1. ) Platinum and Palladium metals are used as catalyst.

A ) True

B ) False

Ans A ) True

  1. ) Oxides of non-metal + water ……………

A ) Acid

B ) Base

Ans A ) Acid

  1. ) Majority of metals have upto three electrons in their outermost shell.

A ) False

B ) True

Ans B ) True

  1. ) is an allotrope of carbon and is the hardest natural substance.

A ) Diamond B ) Graphite C ) Fullerenes

Ans A ) Diamond

  1. ) 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 )

  1. ) Elements which are intermediate between metals and non-metals are called …………….

A ) Metal oxide

B ) Metalloids

C ) Non-metal oxide

Ans B ) Metalloids

  1. ) 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)

  1. ) Antimony is a metalloid.

A ) True

B ) False

Ans A ) True

  1. ) Best conductors of heat.

A ) Gold

B ) Silver

C ) Mercury

Ans B ) Silver

  1. ) 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)

  1. ) Silver, Copper and aluminium are the best conductors of heat.

A ) False

B ) True

Ans B ) True

  1. ) Gases in the air react with metals in presence of moisture to form metal compounds.

A ) False

B ) True

Ans B ) True

  1. ) Calcium is a soft metal and can be cut with a knife.

A ) True

B ) False

Ans B ) False

  1. ) The iron pillar in the premises of Qutubminar is made from an alloy of iron.

A ) False

B ) True

Ans B ) True

  1. ) is used in medicines.

A ) Palladium

B ) Silver

Ans B ) Silver

  1. ) Which of the following metal is soft?

A ) Sodium

B ) Iron

C ) Copper

D ) Zinc

Ans A ) Sodium

  1. ) Metals can be beaten into sheets due to property of malleability.

A ) True

B ) False

Ans A ) True

 

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