Share
Notifications

View all notifications
Advertisement

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

Login
Create free account


      Forgot password?
Textbook page

Chapters

Concise Chemistry Class 7 ICSE - Shaalaa.com

Chapter 6: Metals and Non-metals

ExerciseObjective type questionsMultiple choice questionsAdditional questions

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

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  

Selina solutions for Concise Chemistry Class 7 ICSE Chapter 6 Metals and Non-metals Exercise Objective type questions

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

Selina solutions for Concise Chemistry Class 7 ICSE Chapter 6 Metals and Non-metals Exercise Multiple choice questions

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

Selina solutions for Concise Chemistry Class 7 ICSE Chapter 6 Metals and Non-metals Exercise Additional questions

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

Selina solutions for Concise Chemistry Class 7 ICSE Chapter 6 Metals and Non-metals Exercise Additional questions

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?  

Chapter 6: Metals and Non-metals

ExerciseObjective type questionsMultiple choice questionsAdditional questions
Advertisement
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 Concept of Metals, Non-metals, Properties of Metals, Non-metals, Metals and Non-metals with the General Properties (Lustre,Conduction of Electricity, Heat, Malleability, Ductility, Sonority, Melting Point, Boiling Point, Density, Strength.), Classification of Elements as Metals and Non-metals., Corrosion of Iron (Rusting), Ways to Prevent Rusting (Oiling, Painting, Chrome Plating, Galvanization, Tinning), Corrosion of Iron - Avoiding Contact with Air and Water Vapour, 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, Extraction of Metals.

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

Advertisement
View in app×