Difference between in Chemistry

Difference between in Chemistry

Hard materials & soft materials

Soluble and insoluble substances Transparent material translucent material
Transparent material & opaque material Translucent material & opaque material

Lustrous material &non lustrous material

Rough material & smooth material

Metals & non metals

 Evaporation and Boiling
Hand picking and Winnowing  Sieving and Winnowing  Thrashing and Sieving

Decantation and Condensation

Threshing & Winnowing Handpicking & sieving
Sedimentation & Decantation Decantation and Filtration

Filtration and Sedimentation

Evaporation and Condensation

Filtration Vs Evaporation Decantation and Evaporation
Sedimetation and Condensation Condensation Vs Filtration 

Sedimentation and Evaporation 

Expansion & construction

Physical change & chemical change Melting & boiling
Evaporation and Melting Changes that can be reversed or cannot be reversed


Oxygen & nitrogen (% present in air)

Oxygen & carbon dioxide Carbon dioxide & nitrogen
Dust & smoke Smoke & water vapours


Wool & Silk

Natural fibre & synthetic fibre Shearing and reeling
Natural silk & artificial silk Reeling of silk & shearing of sheep

Cocoon & fleece

Silk moth & silk worm

Silk & Cotton  
Clinical thermometer & Laboratory thermometer Conductors and Insulators

Conductance & resistance

Difference between the sea breeze & land breeze on the basis of flow of air during the day  and night

Convection & Radiation Difference between summer clothes & winter clothes on the basis of  temperature
 Conduction & Convection Dry corrosion and Wet corrosion

Conduction and Radiation 

Acids & bases

Acidic & basic Naturals indicators & artificial indicators
Neutralisations & acidity  (reaction  occurring in stomach) China rose & phenolphthalein

Acids and neutrals

Bases & neutrals

Red litmus paper  and blue litmus paper Acetic acid & calcium hydroxide
Physical change and chemical change Physical properties & chemical properties

Galvanization and crystallization

Rusting of iron & crystalisation

Rusting of iron & bending of plastic


  Rayon & nylon

Synthetic fibres & natural fibres Rayon & cotton
Nylon & wool Silk & artificial silk

Polyester and polymer

Polycot and polywool

Acrylic  and wool Thermoplastics and thermosetting plastics
Bakelite & melamine Biodegradable and non- biodegradable

Terycot and terylene

Synthetic plastics & fibres usel  and side effecets

Physical properties of metals  & physical properties of non metals Malleability and duetility

Metals & non metals

Good conductor & bad conductor

Conductance & resistance Ductility & 
Chemical properties of metals and chemical properties  of non metals Physical properties of metals & chemical  properties of  metals

Chemical properties of metals & chemical properties of non metals

Reaction of metals  & non metals with acid

Reaction of non metals with bases Metals and metalloids
Non metals & metalloids Coal and coal tar

Coal and petroleum

Exhaustible natural resources

Limited natural resources & unlimited natural resources Coke and coal
Fossil  and petroleum



Combustible  &non combustible

Flammable substances &inflammable substances Rapid combustion and spontaneous combustion
Combustion and explosion Solid


Global warming &acid rain

Forestation &deforestation Complete combustion & incomplete combustion
Smog and smoke Air pollutants & water pollutants

Green house effect and acid rain

global warming and acid rain

Recycle of water and reusing of water

Polluted water and potable water


Liquid state – solid state

Liquid state – gaseous state Solid state –gaseous state
Evaporation -sublimation Difference between the effect of changes in temperature and effect of changes in pressure on the states of matter

Latent heat of vaporization  &latent heat of fusion

Vaporization and condensation

Sublimation & deposition

Fusion & solidification

Melting point and boiling point


Mixture and solution


Solvent &  solute Homogeneous mixture & heterogeneous  mixture
Suspension & colloidal solution Metals &  alloys

Saturated solution and unsaturated solution

Dispersed phase & dispersion medium

Volatile & non volatile components Miscible liquids & immiscible liquids
Evaporation & sublimation Distillation & fractional distillation

Distillation & crystalisations

Elements & compounds

Metals & non metals Mixtures and compounds
Pure substance & mixtures  



Atom & molecules

Atomic mass & atomic number Molecule of elements & molecules of compounds

Atom & ion

Mole & mass

Mole & Avogadro number

Molecular mass & formula unit mass

Monoatomic  & diatomic

Law of conservation of mass   and law of constant propertions


Electron & proton

Electron & neutron Proton and neutron
Thomson’s  model & Rutherford’s model of atom Thomson’s model & Bohr’s model of atom

Rutherford’s  model & Bohr’s model of mass

Difference between the shells & subshell on the basis of distribution of electors

Atomic number & mass number

Isotopes  & isobars


Combination reaction & decomposition  reaction

Combination reaction & displacement reaction Combination reaction & double displacement reaction
Combination reaction & Decomposition reaction & displacement reaction

Decomposition reaction & double displacement reaction

Decomposition reaction &oxidation – reduction    

Displacement & double displacement Displacement &oxidation -reduction
Double displacement & oxidation –  reduction

Oxidation and reduction


Acid & base

Backing soda and washing soda Natural & artificial indicators
Acids and salts Red litmus paper & blue

Acidic nature and basic nature

Metals & non metals Physical properties of metals &chemical properties of metals Calcification &and roasting
Reaction of metal with water and reaction of metal with acids Ores and gangue Extraction of metal of low activity series  and extraction of metal in

Extraction of metal of low activity series to high activity series

Physical properties of metals & non metals


Saturated and unsaturated carbon compound

Addition reaction and substitution reaction Soap and detergent
Combustion and oxidation Alkane & alkene

Alkane & alkyne

Alcohol & aldehyde 

Keaton & carboxylic acid Ethanol & ethanoic acid
Alkene & alkyne Ketone aldehyde

Alcohol & carboxylic acid

Dobereiner triads – Newlands octaves

Periods  and groups

Atomic mass & atomic number

Isotopes & isobars

Lanthanides and Actinides

Transitions & inner transitions

Metallic & non metallic properties of elements

Column & rows


Class 11 (Chemistry)

Chapter 1


Chapter 2


Chapter 3



Class 12

Chapter 1 – The Solid State

Chapter 2 – Solutions

Chapter 3 – Electrochemistry

Chapter 5 – Surface Chemistry

Chapter 6 – General Principles and Processes of Isolation of Elements

Updated: December 30, 2021 — 11:44 pm

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