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Selina solutions for Concise Chemistry Class 7 ICSE chapter 6 - Metals and Non-metals [Latest edition]

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Concise Chemistry Class 7 ICSE - Shaalaa.com

Chapter 6: Metals and Non-metals

ExerciseObjective type questionsMultiple choice questionsAdditional questions
Exercise [Page undefined]

Selina solutions for Concise Chemistry Class 7 ICSE Chapter 6 Metals and Non-metals Exercise [Page undefined]

Exercise | Q 1.1

 Name a metal that is most malleable  

Exercise | Q 1.2

 Name a metal that is brittle  

Exercise | Q 1.3

Name a metal as precious as gold  

Exercise | Q 1.4

 Name a metal that can be cut with knife   

Exercise | Q 1.5

Name a metal used in making electric cables 

Exercise | Q 1.6

Name a metal used as a thermometric liquid  

Exercise | Q 1.7

Name a metal that is the best conductor of electricity 

Exercise | Q 2.1

Name a non-metal that a good conductor of heat and electricity 

Exercise | Q 2.2

Name a non-metal that is hardest naturally occurring substance  

Exercise | Q 2.3

Name a non-metal that is used to kill germs in water 

Exercise | Q 2.4

Name a non-metal that is lustrous   

Exercise | Q 2.5

Name a non-metal that is used for filling into electric bulbs 

Exercise | Q 2.6

Name a non-metal that is used for cancer therapy 

Exercise | Q 2.7

Name a non-metal that is liquid at room temperature   

Exercise | Q 3.1

Mention two uses of the following metals and non-metals  

Iron 

Exercise | Q 3.2

Mention two uses of the following metals and non-metals 

Aluminium  

Exercise | Q 3.3

Mention two uses of the following metals and non-metals  

Gold 

Exercise | Q 3.4

Mention two uses of the following metals and non-metals 

Oxygen

Exercise | Q 3.5

Mention two uses of the following metals and non-metals 

Iodine    

Exercise | Q 4.1

Give reasons 

Magnesium is used in fire works. 

Exercise | Q 4.2

Give reasons  

Aluminium is used in making aircrafts.  

Exercise | Q 4.3

Give reasons 

Copper is used in making electric cables. 

Exercise | Q 4.4

Give reasons 

Graphite is used in the leads of pencils  

Exercise | Q 4.5

Give reasons 

Impure diamond is used to cut glass  

Exercise | Q 4.6

Give reasons 

Gold is mixed with copper and nickel.  

Exercise | Q 4.7

Give reasons 

Tungsten is used in electric bulbs. 

Exercise | Q 5.1

Name the metals present in the following alloys  

Brass  

Exercise | Q 5.2

Name the metals present in the following alloys 

Bronze 

Exercise | Q 5.3

Name the metals present in the following alloys 

Duralumin 

Exercise | Q 5.4

Name the metals present in the following alloys  

Stainless steel   

Exercise | Q 6

Give four differences between metals and non-metals with reference to their 
(a) Melting point and boiling point,
(b) Conductivity of heat and electricity,
(c) Malleability
(d) Solubility 

Exercise | Q 7

What are metalloids? 

Exercise | Q 8.1

Give two uses of Silicon  

Exercise | Q 8.2

Give two uses of Antimony   

Exercise | Q 8.3

 Give two uses of  Tungsten  

Exercise | Q 8.4

Give two uses of Germanium  

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Objective type questions [Page undefined]

Selina solutions for Concise Chemistry Class 7 ICSE Chapter 6 Metals and Non-metals Objective type questions [Page undefined]

Objective type questions | Q 1.1

The most ductile metal is _______.

Objective type questions | Q 1.2

 Fill in the blank: 

A metal stored in kerosene oil is _______

Objective type questions | Q 1.3

Fill in the blank 

Tungsten metal is a poor conductor of _______

Objective type questions | Q 1.4

Fill in the blank 

_______ is a soft metal. 

Objective type questions | Q 1.5

 Fill in the blank 

_________ is the hardest compound known to us 

Objective type questions | Q 1.6

Fill in the blank 

A non-metal used to purify water is ______

Objective type questions | Q 1.7

Fill in the blank 

A metal that gives dazzling effect to crackers when they explode is ______

Objective type questions | Q 1.8

Fill in the blank 

A chemical compound that makes up the striking heads of match sticks is ______

Objective type questions | Q 2

Match the following:

Column A Column B
(a) Helium (1) Electric bulb
(b) Neon (2) Thermometer
(c) Argon (3) Semiconductor
(d) Germanium (4) Weather balloons
(e) Mercury (5) Advertising signboards
Objective type questions | Q 3.1

Write ‘true’ or ‘false’ for the following statement : 

Silver is used to make electric cables.

  • True

  • False

Objective type questions | Q 3.2

Write ‘true’ or ‘false’ for the following statement. 

Iodine acts as an antiseptic in the form of a tincture of iodine. 

  • True

  • False

Objective type questions | Q 3.3

Write ‘true’ or ‘false’ for the following statement 

Sodium can be cut with a knife.  

  • True

  • False

Objective type questions | Q 3.4

Write ‘true’ or ‘false’ for the following statement. 

Antimony is a metal.

  • True

  • False

Objective type questions | Q 3.5

Write ‘true’ or ‘false’ for the following statement. 

Sand is an oxide of silicon. 

  • True

  • False

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Multiple choice questions [Page undefined]

Selina solutions for Concise Chemistry Class 7 ICSE Chapter 6 Metals and Non-metals Multiple choice questions [Page undefined]

Multiple choice questions | Q 1

The noble gas used in advertising signboards is 

  • Helium

  • Neon

  • Argon

  • Krypton

Multiple choice questions | Q 2

A metal with melting point less than 50°C is

  • Gallium

  • Iron

  • Gold

  • Aluminium

Multiple choice questions | Q 3

A metal which is neither ductile nor malleable is

  • Copper

  • Silver

  • Zinc

  • Aluminium

Multiple choice questions | Q 4

 Rust is a hydrated oxide of iron which is

  • Reddish brown

  • Green

  • White

  • Black

Multiple choice questions | Q 5

Aluminium is not used to make : 

  • Foils

  • Wires

  • Fireworks

  • Utensils

Multiple choice questions | Q 6

 A metalloid used in the manufacture of microchips used in computer is :  

  • Antimony

  • Germanium

  • Silicon

  • Arsenic

Multiple choice questions | Q 7

A metalloid used to make glass :

  • Sulphur

  • Germanium

  • Silicon

  • Antimony

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Additional questions [Page undefined]

Selina solutions for Concise Chemistry Class 7 ICSE Chapter 6 Metals and Non-metals Additional questions [Page undefined]

Additional questions | Q 1.1

Fill in the blank spaces by choosing the correct words from the given list. 

List: amalgam, chlorine, gallium, sodium chloride, silver chloride 

______ is a liquid metal. 

 

Additional questions | Q 1.2

Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride  

Salt of silver, such as ________ is used for making photographic films.

Additional questions | Q 1.3

Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride 

A solution of a metal in mercury is called ________

Additional questions | Q 1.4

Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride    

A gas used to sterilisation of drinking water is ________

Additional questions | Q 1.5

Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride 

Saline glucose is a solution of glucose and _______  

Additional questions | Q 2.1

Statements given below are incorrect. Write the correct statements : 

Chlorine gas is used in the manufacture of sulphuric acid.  

Additional questions | Q 2.2

Statements given below are incorrect. Write the correct statements : 

Bronze is a mixture of 10% copper, 80% zinc and 10% tin.  

Additional questions | Q 2.3

Statements given below are incorrect. Write the correct statements : 

Soda water is prepared by dissolving washing soda in water.  

Additional questions | Q 2.4

Statements given below are incorrect. Write the correct statements : 

Aluminium is best conductor of electricity.   

Additional questions | Q 2.5

Statements given below are incorrect. Write the correct statements : 

Zinc is used for making power transmission wires.  

Additional questions | Q 3

Match the statements in Column A, with those in Column B .

   Column A   Column B 
1 A metal used for making high quality mirrors . a Chlorine 
2 A metal which neither malleable nor ductile.  b Graphite 
3 A non-metal,used in the sterilsation of water.  c Iodine 
4 A non-metal, whose deficiency can lead to disease like goitre.  d Silver 
5  A non -metal which can be used as dry lubricant.  Zinc
Additional questions | Q 4.1

Write ‘True’ or ‘False’ in front of following statement. 

Stainless steel is used for making power transmission wires. 

  • True

  • False

Additional questions | Q 4.2

Write ‘True’ or ‘False’ in front of following statement.  

Brass is an alloy of copper and zinc and has lustrous yellow colour. 

  • True

  • False

Additional questions | Q 4.3

Write ‘True’ or ‘False’ in front of following statement.

Graphite is used in making filaments of electric bulb.  

  • True

  • False

Additional questions | Q 4.4

Write ‘True’ or ‘False’ in front of following statement. 

Magnesium is used in making light weight alloys of aluminium. 

  • True

  • False

Additional questions | Q 4.5

Write ‘True’ or ‘False’ in front of following statements. 

Non-metals are poor conductors of electricity.     

  • True

  • False

Additional questions | Q 5.1

Tick (√) the most appropriate answer.
Copper metal is used in :

  • making electric wires

  • filling tooth cavities

  • making fuse wires

  • preparation of hydrogen  

Additional questions | Q 5.2

Tick (√) the most appropriate answer. 

Sodium amalgam is prepared by dissolving sodium in :

  • molten copper

  • dilute vinegar

  • mercury 

  • molten silver

Additional questions | Q 5.3

Tick (√) the most appropriate answer. 

Bronze is an alloy of :

  • copper and tin

  • copper and zinc

  • tin and zinc

  • copper, zinc and tin  

Additional questions | Q 5.4

Tick (√) the most appropriate answer. 

Graphite is used :

  • for sterilisation of water

  • for making stainless steel

  • as dry lubricant

  • in making electric bulbs   

Additional questions | Q 5.5

Tick (√) the most appropriate answer. 

A metal which is a poor conductor of electricity is:

  • zinc

  • aluminium

  • tungsten

  • iron

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Additional questions [Page undefined]

Selina solutions for Concise Chemistry Class 7 ICSE Chapter 6 Metals and Non-metals Additional questions [Page undefined]

Additional questions | Q 1.1

 What do you understand by the term metal? 

Additional questions | Q 1.2

State any five physical properties of a metal.
Physical properties of a metal : 

Additional questions | Q 2.1

Name one metal which is a liquid at room temperature  

Additional questions | Q 2.2

Name a metal which can be cut with a knife : 

Additional questions | Q 2.3

Name a metal which is lighter than water : 

Additional questions | Q 2.4

Name a metal which is not malleable : 

Additional questions | Q 2.5

Name a metal which is best conductor of electricity :  

Additional questions | Q 2.6

Name a metal which is poor conductor of electricity :   

Additional questions | Q 3.01

State two important uses of following metal: 

Uses of gold  

Additional questions | Q 3.02

State two important uses of following metal: 

Uses of silver  

Additional questions | Q 3.03

State two important uses of following metal 

Uses of copper  

Additional questions | Q 3.04

State two important uses of following metals: 

Uses of iron   

Additional questions | Q 3.05

State two important uses of following metal 

Uses of tin  

Additional questions | Q 3.06

State two important uses of following metal 

Uses of zinc  

Additional questions | Q 3.07

State two important uses of following metal 

 Uses of aluminium  

Additional questions | Q 3.08

State two important uses of following metal 

Uses of lead     

Additional questions | Q 3.09

State two important uses of following metal 

Uses of magnesium  

Additional questions | Q 3.1

State two important uses of following metal

Uses of mercury  

Additional questions | Q 4.1

What do you understand by the term non-metal?  

Additional questions | Q 4.2

State any five physical properties of a non-metal.

Additional questions | Q 5.1

Name the non-metal and its natural form, which is the hardest substance.    

Additional questions | Q 5.2

Name a non-metal which is liquid form at room temperature.

Additional questions | Q 5.3

Name a non-metal which is good conductor of electricity.  

Additional questions | Q 5.4

Name a gaseous non-metal,. having greenish yellow colour.  

Additional questions | Q 5.5

Name a non-metal whose compounds help in the growth of plants.  

Additional questions | Q 6.1

State two important uses of following non-metals  

Uses of nitrogen  

Additional questions | Q 6.2

State two important uses of following non-metal 

Uses of oxygen  

Additional questions | Q 6.3

State two important uses of following non-metal 

Uses of chlorine  

Additional questions | Q 6.4

State two important uses of following non-metal

iodine

Additional questions | Q 6.5

State two important uses of following non-metal 

Uses of graphite  

Additional questions | Q 7.1

What are noble gases? Name all in the order of their increasing density.   

Additional questions | Q 7.2

State one use  of helium  

Additional questions | Q 7.2

State one use of argon    

Additional questions | Q 8.1

What is an alloy? 

Additional questions | Q 8.2

Why are alloys made?  

Additional questions | Q 9.1

State the composition and two uses of given alloy:

Stainless steel

Additional questions | Q 9.2

State the composition and two uses of given alloy:

Duralumin

Additional questions | Q 9.3

State the composition and two uses of given alloy:  

Brass   

Additional questions | Q 9.4

State the composition and two uses of given alloy:

Bronze 

Additional questions | Q 10

What is an amalgam? How does an amalgam different from an alloy?  

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Chapter 6: Metals and Non-metals

ExerciseObjective type questionsMultiple choice questionsAdditional questions
Concise Chemistry Class 7 ICSE - Shaalaa.com

Selina solutions for Concise Chemistry Class 7 ICSE chapter 6 - Metals and Non-metals

Selina solutions for Concise Chemistry Class 7 ICSE chapter 6 (Metals and Non-metals) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Concise Chemistry Class 7 ICSE solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Selina textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Concise Chemistry Class 7 ICSE chapter 6 Metals and Non-metals are Ways to Prevent Rusting (Oiling, Painting, Chrome Plating, Galvanization, Tinning), Uses of Certain Metals (Iron, Gold, Copper, Aluminium, Zinc, Lead, Magnesium)., Concept of Metalloids - metals and non-metals – e.g. silicon, germanium,tungsten, antimony), Uses of Metalloids, Corrosion of Iron (Rusting) and Its Prevention, Corrosion of Iron (Rusting) and Its Prevention, Non Metals and Its Physical Properties, Non Metals and Its Physical Properties, Difference Between Metals and Non-metals, Extraction of Metals from Ore, Non Metals and Its Physical Properties.

Using Selina Class 7 solutions Metals and Non-metals exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 7 prefer Selina Textbook Solutions to score more in exam.

Get the free view of chapter 6 Metals and Non-metals Class 7 extra questions for Concise Chemistry Class 7 ICSE and can use Shaalaa.com to keep it handy for your exam preparation

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