Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8th
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Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide chapter 9 - Matter around us [Latest edition]

Chapters

Class 8th Science Answers Guide - Shaalaa.com
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Chapter 9: Matter around us

Exercise
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Exercise [Pages 101 - 102]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 9 Matter around usExercise [Pages 101 - 102]

Choose the best answer.

Exercise | Q I. 1. | Page 101

The liquid metal used in thermometers is

  • copper

  • mercury

  • silver

  • gold

Exercise | Q I. 2. | Page 101

The pictorial symbol for water given by the alchemists was

Exercise | Q I. 3. | Page 101

Which one of the following element name is not derived from planet?

  • Plutonium

  • Neptunium

  • Uranium

  • Mercury

Exercise | Q I. 4. | Page 101

Symbol of mercury is

  • Ag

  • Hg

  • Au

  • Pb

Exercise | Q I. 5. | Page 101

A form of non-metal which has high ductility is

  • nitrogen

  • oxygen

  • chlorine

  • carbon

Exercise | Q I. 6. | Page 101

The property which allows the metals to be hammered into their sheets is ______.

  • ductility

  • malleability

  • conductivity

  • shining strength

Exercise | Q I. 7. | Page 101

The non-metal which conducts electric current is

  • carbon

  • oxygen

  • aluminium

  • sulphur

Exercise | Q I. 8. | Page 102

Pencil lead contains

  • graphite

  • diamond

  • aluminium

  • sulphur

Exercise | Q I. 9. | Page 102

Identify the state of matter based on the arrangement of the molecules.

  • A - Gas, B - Solid, C - Liquid

  • A - Liquid, B - Solid, C - Gas

  • A - Gas, B - Solid, C - Liquid

  • A - Liquid, B - Gas, C - Solid

Exercise [Page 102]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 9 Matter around usExercise [Page 102]

Fill in the blanks.

Exercise | Q II. 1. | Page 102

The element which possesses the character of both metals and non metals are called ______.

Exercise | Q II. 2. | Page 102

The symbol of tungsten is _______.

Exercise | Q II. 3. | Page 102

Melting point of most metal is ______ than non-metal.

Exercise | Q II. 4. | Page 102

Water contains _____ and _____ element.

Exercise | Q II. 5. | Page 102

______ is used as semiconductor.

Exercise [Page 102]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 9 Matter around usExercise [Page 102]

Exercise | Q III. a. | Page 102

Match the following.

Iron For making wires
Copper Sewing needle
Tungsten As a fuel for ignition in rocket
Boron Making the filament of a bulb
Exercise | Q III. b. | Page 102

Match the following.

Atom Building block of matter
Element Atoms of different kinds
Compound Atoms of the same kind
Molecule Smallest unit of a substance
Exercise [Page 102]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 9 Matter around usExercise [Page 102]

Answer very briefly.

Exercise | Q IV. 1. | Page 102

What is ductility?

Exercise | Q IV. 2. | Page 102

Write the constituent elements and their symbols for the following compounds.

  1. Carbon monoxide
  2. Washing soda
Exercise | Q IV. 3. | Page 102

Write the symbols for the following elements.

  1. Oxygen
  2. Gold
  3. Calcium
  4. Cadmium
  5. Iron
Exercise | Q IV. 4 | Page 102

Which non-metal is essential for our life and all living beings?

Exercise | Q IV. 5. | Page 102

Why are bells made of metals?

Exercise | Q IV. 6. | Page 102

What does a chemical symbol represent?

Exercise | Q IV. 7. | Page 102

Give two examples for metalloids.

Exercise | Q IV. 8. | Page 102

Mention any three compounds that exist in liquid state.

Exercise | Q IV. 9. | Page 102

Write three properties of metalloids.

Exercise [Page 102]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 9 Matter around usExercise [Page 102]

Answer briefly.

Exercise | Q V. 1. | Page 102

Can you store pickle in an aluminium utensil? Give reason.

Exercise | Q V. 2. | Page 102

Tabulate the differences between metals and non-metals.

Exercise | Q V. 3. | Page 102

Why are utensils made up of aluminium and brass?

Exercise | Q V. 4. | Page 102

Define Alchemy.

Exercise | Q V. 5. | Page 102

Name the elements with the following symbols.

  1. Na
  2. W
  3. Ba
  4. Al
  5. U
Exercise | Q V. 6. | Page 102

Name six common non-metals and write their symbols.

Exercise | Q V. 7. | Page 102

Mention any four compounds and their uses.

Exercise | Q V. 8. | Page 102

Name the metals that are used in jewellery.

Exercise | Q V. 9. | Page 102

Mention the uses of the following compounds.

  1. Baking soda
  2. Bleaching powder
  3. Quick lime
Exercise [Pages 102 - 103]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 9 Matter around usExercise [Pages 102 - 103]

Given reason.

Exercise | Q VI. 1. | Page 102

Give reasons for the following.

  1. Aluminum foils are used to wrap food items.
  2. Immersion rods for heating liquids are made up of metallic substances.
  3. Sodium and potassium are stored in kerosene.
  4. Mercury is used in thermometers.
Exercise | Q VI. 2. | Page 103

Why wires cannot be drawn from materials such as stone or wood?

Chapter 9: Matter around us

Exercise
Class 8th Science Answers Guide - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide chapter 9 - Matter around us

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide chapter 9 (Matter around us) 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 Tamil Nadu Board of Secondary Education Class 8th Science Answers Guide 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. Tamil Nadu Board Samacheer Kalvi textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 8th Science Answers Guide chapter 9 Matter around us are Physical Properties of Metals, Compound, Classification of Compound, Physical Properties of Non-metal, Matter (Substance), Characteristics of Particles (Molecules) of Matter, States of Matter, The Solid State, The Liquid State, The Gaseous State, Atoms: Building Blocks of Matter, Molecules, Ions and It’s Types, Elements, Symbol of Elements, Types of Elements: Metals, Types of Elements: Non-metal, Type of Elements: Metalloid.

Using Tamil Nadu Board Samacheer Kalvi Class 8th solutions Matter around us 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 Tamil Nadu Board Samacheer Kalvi Solutions are important questions that can be asked in the final exam. Maximum students of Tamil Nadu Board of Secondary Education Class 8th prefer Tamil Nadu Board Samacheer Kalvi Textbook Solutions to score more in exam.

Get the free view of chapter 9 Matter around us Class 8th extra questions for Class 8th Science Answers Guide and can use Shaalaa.com to keep it handy for your exam preparation

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