12/13/2021

A Matter Of Class PDF Free Download

  1. A Matter Of Class PDF Free Download
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Basicscience Solutions for Class 6 Science Chapter 1 Matter And Its Nature are provided here with simple step-by-step explanations. These solutions for Matter And Its Nature are extremely popular among Class 6 students for Science Matter And Its Nature Solutions come handy for quickly completing your homework and preparing for exams. Avial ICSE Class 6 study material in a free to download PDF format. ICSE Class 6 study material by Vedantu include Sample Paper, Syllabus, Selina Concise Solutions. These materials are designed as per the latest syllabus and exam pattern. These study materials are curated by subject matter experts who have years of teaching experience.

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Key topics covered in Physical Education Hindi Medium Class 12 CBSE NCERT Revision Notes, Summary, Solutions, Guide:
Chapter 12: Training in Sports
Chapter 11: Psychology and Sports
Chapter 10: Biomechanics and Sports
Chapter 9: Sports Medicine
Chapter 8: Physiology and Sports
Chapter 7: Test and Measurement in Sports
Chapter 6: Women and Sports
Chapter 5: Children and Sports
Chapter 4: Physical Education and Sports for Differently – Abled
Chapter 3: Yoga and Lifestyle
Chapter 2: Sports and Nutrition
Chapter 1: Planning in Sports
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Basic_science Solutions for Class 6 Science Chapter 1 Matter And Its Nature are provided here with simple step-by-step explanations. These solutions for Matter And Its Nature are extremely popular among Class 6 students for Science Matter And Its Nature Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Basic_science Book of Class 6 Science Chapter 1 are provided here for you for free. You will also love the ad-free experience on Meritnation’s Basic_science Solutions. All Basic_science Solutions for class Class 6 Science are prepared by experts and are 100% accurate.

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Matter is anything that occupies space and possesses mass. Examples are: food, water and clothes.

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Interconversion of state is the phenomenon of transformation of matter from one state to another.

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Sublimation is the transition of a solid directly into vapour without converting into liquid.
Examples: Camphor and naphthalene are substances that sublime.

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AlloysMetals
They are mixture of a metal with another metal or non-metalThese consist of atoms of a single element
These are stronger than metalsThey are not as strong as alloys
Examples: Steel and brassExamples: Calcium and magnesium

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A matter of class pdf free download free

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Atoms are made up of three subatomic particles, which are: electrons, protons, and neutrons.

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Electron is a negatively charged particle.
Proton is a positively charged particle.
A neutron is a particle that does not carry any electrical charge.

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SolidsLiquidsGases
They have a fixed volumeThey have a fixed volumeThey do not have a fixed volume
They have a fixed shapeThey do not have a fixed shapeThey do not have a fixed shape

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VapourGas
Vapour is a substance in gaseous state that ordinarily exists as a solid or liquidA substance in gaseous state that ordinarily exists in this very state
Example: Vapour of water and sulphurExample: Hydrogen and oxygen gases

A Matter Of Class PDF Free Download

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Answer:

Calcium, sodium and magnesium are examples of metals.
Following are the properties of metals:
(a) They are lustrous (i.e., they have a metallic lustre).
(b) They are ductile (i.e., they can be bent or stretched into thin wires).
(c) They are malleable (i.e., they can be beaten into sheets or foils).

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Carbon, hydrogen and bromine are examples of non-metals.
Following are the characteristics of non-metals:
(a) They are brittle, i.e., they break easily if bent.
(b) They are not sonorous, i.e., they do not produce any sound when hit by an object.
(c) They are generally dull-looking, i.e., they lack lustre (except for iodine and graphite).

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Homogeneous Substances: A homogeneous substance is one in which all the constituents have the same property and composition. Examples: Hydrogen and water.
Heterogeneous Substances: A heterogeneous substance is one in which the constituents differ in their properties and composition. Examples: Mixture of sand and water, mixture of rice and husk.

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Anything that is not matter but has the capacity to do work is energy.
Examples are:
(a) Electricity is a form of energy, as it has a capacity of doing work. It helps run fans, computers and trains.
(b) Sound is a form of energy that makes hearing possible by vibrating our eardrums.
(c) Heat energy from the Sun enables life on earth.

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Uses of Metals:
(a) They are used in the construction of houses, railway tracks, locomotives, factories, aircraft and machinery.
(b) They play a key role in the transmission of electricity.
Examples of metals: Calcium, sodium, iron, tin and gold.
Uses of Non-metals:
(a) Some non-metals, such as nitrogen and oxygen, are present in the air we breathe and are vital to our existence.
(b) Carbon is the main constituent of coal.
Examples of non-metals: Carbon, nitrogen, oxygen, phosphorous and sulphur.

Matter

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Arrangement of subatomic particles in the atom: A nucleus is present at the centre of an atom. It consists of neutrons and protons (the nucleus of hydrogen is an exception, as it contains only one proton). Electrons revolve around the nucleus in a definite path. The nucleus is positively charged, whereas the electrons are negatively charged. Positive charge of nucleus is balanced by an equal number of electrons. Thus, an atom is electrically neutral.

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1. The space anything occupies is called its volume.
2. The amount of matter anything contains is called its mass.
3. Matter exists in the solid, liquid and gaseous state.
4. The melting point of a solid is the same as the freezing point of the corresponding liquid.
5. An element is a substance that cannot be broken into simpler substances by chemical means.
6. A compound can be broken down into simpler substances by chemical means.
7. A molecule of an element is made up of atoms of same kind(s).
8. A molecule of a compound is made up of two or more kinds.
9. Electrons revolve around the nucleus in an atom.


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(d) Light
Light is not made of matter, but is a form of energy.

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(a) 0°C
Water will freeze at 0°C, as the freezing point of water is equal to the melting point of ice.

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(b) liquid state
Mercury ordinarily exists in liquid state.

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(c) Oxygen
Out of the given options, oxygen is an element.

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(a) Carbon dioxide
Carbon dioxide is a compound of carbon and oxygen.

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(d) Air
Air is a mixture of different gases.

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1. No, atoms do not exist independently; they combine to form molecules. Molecules may exist independently.
2. Yes, an atom is electrically neutral.
3. No, a proton has a positive charge.
4. No, neutron is electrically neutral.
5. No, non-metals may exist as solids, liquids or gases.

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A Matter Of Class Pdf Free Download Windows 10

SubstanceTypeNormal
Sulphura. Metal1. Solid
b, 1b. Non-metal2. Liquid
Carbon dioxidec. Compound3. Gaseous
c, 3
Chlorine
b, 3
Mercury
a, 2
Copper
a, 1
Oxygen
b, 3
Gold
a, 1

A Matter Of Class Pdf Free Download Books


A Matter Of Class Pdf Free Download 64 Bit

View NCERT Solutions for all chapters of Class 6